Term
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Definition
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Term
What type of tissue are cartilage and bone made of? |
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Definition
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Term
Skeleton begins as__________, then it _________. |
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Definition
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Term
Cartilage remains where _________ and __________ are needed. |
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Definition
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Term
Cells that form cartilage |
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Definition
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Term
Describe the matrix of cartilage |
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Definition
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Term
Degree of vascularity in cartilage |
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Definition
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Term
Cartilage's ability to regenerate |
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Definition
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Term
What is the purpose of perichondrium |
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Definition
surround cartilage; it is dense irregular CT |
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Term
3 Subclasses of cartilage |
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Definition
Hyaline, elastic, fibrocartilage |
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Term
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Definition
most abundant, large number of fine collagen fibers, firm support and some flexibility; |
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Term
Types of hyaline cartilage |
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Definition
articular, costal, nasal, respiratory |
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Term
Articular hyaline cartilage |
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Definition
at joints, reduces friction and absorbs compression at joints |
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Term
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Definition
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Term
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Definition
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Term
Respiratory hyaline cartilage |
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Definition
larynx, trachea, bronchi; keeps large airways open |
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Term
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Definition
the part of the skeleton that includes the skull and spinal column and sternum and ribs |
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Term
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Definition
more elastic fibers, stretchier than hyaline, located where strength ad exceptional stretchability are needed: epiglottis and external ear |
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Term
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Definition
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Term
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Definition
intermediate between hyaline and dense regular CT (proper); rows of chondrocytes alternate with thick parallel bundles of visible collagen fibers; stiff but compressible= shock absorber |
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Term
Fibrocartliage can be found in |
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Definition
intervertebral discs, knee meniscus, pubic symphysis |
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Term
4 types of bones classified by shape |
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Definition
long, short, flat, irregular |
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Term
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Definition
well-vascularized, formed by osteoblasts, has excellent ability to regenerate, and it has a calcified matrix |
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Term
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Definition
longer than it is wide; all limb bones EXCEPT carpals, tarsals, and patellae |
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Term
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Definition
tubular shaft; surrounds medullar cavity filled with yellow bone marrow (fat) |
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Term
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Definition
bone ends; found at proximal and distal ends covered in articular cartilage to reduce friction and absorb compression at joints |
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Term
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Definition
separates the diaphysis and epiphysis; remnant of the epiphyseal growth plate |
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Term
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Definition
where bone is lengthening- seen in children |
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Term
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Definition
CT membrane surrounding the bone except at the epiphyses where articular cartilage is already located; dense irregular CT; blood vessels and nerves pass through here; new bone tissue may be added or removed |
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Term
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Definition
delicate CT membrane that lines the medullary cavity; where new bone tissue may be added or removed |
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Term
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Definition
divide to form new osteoblasts |
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Term
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Definition
produce bone matrix ("bone-makers") and become mature osteocytes |
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Term
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Definition
mature bone cell that monitors and maintains the mineralized bone matrix |
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Term
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Definition
resorb bone ("bone-breakers") |
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Term
Short, flat, and irregular bones do not have |
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Definition
diaphysis, epiphyses, or medullary cavity |
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Term
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Definition
cubelike bones; includes tarsal, carpals, patellae (sesamoid); special type of short bone |
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Term
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Definition
thin, flattened bones; include sternum, ribs, scapulae, roofing bones of skull |
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Term
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Definition
irregular shape; vertebrae, hip bones, certain facial and cranial bones |
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Term
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Definition
projections for muscle attachment; depressions and openings for passage of blood vessels and nerves |
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Term
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Definition
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Term
2 types of osseous tissue |
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Definition
compact bone and spongy bone |
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Term
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Definition
dense smooth appearance; basic structural unit: osteon (Haversian system) |
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Term
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Definition
tiny parallel pillars of bone |
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Term
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Definition
lamellae= concentric cylinders of bone |
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Term
What do lamellae surround? |
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Definition
central (Haversian) canal; parallel to long axis of osteon; carries blood vessels and nerves |
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Term
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Definition
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Term
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Definition
in mature bone, osteoblasts become osteocytes embedded; cavities within calcified matrix |
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Term
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Definition
tiny channels that interconnect the osteocytes and carry nutrients from cell to cell |
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Term
Perforating (Volkmann's) canal |
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Definition
at right angles to central canal; interconnect blood vessels from bone surface to interior |
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Term
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Definition
aka diploe; open spongy appearance, no osteons; structural units are trabeculae |
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Term
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Definition
thin beams of bone; have osteocytes embedded in lacunae; align along lines of stress; provide maximum support but keep bone lightweight |
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Term
arrangement of spongy bone |
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Definition
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Term
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Definition
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Term
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Definition
spongy bone center surrounded by compact bone; flat bone |
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Term
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Definition
irregular bone; spongy bone surrounded by compact bone |
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Term
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Definition
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Term
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Definition
bony skeleton forms from cartilage |
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Term
infant through young adult bone |
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Definition
bones lengthen; grow to adult size |
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Term
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Definition
bone remodeling or repair |
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Term
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Definition
process of bone formation |
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Term
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Definition
intramembranous and endochondral |
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Term
intramembranous ossification |
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Definition
within membrane; from existing fibrous CT membrane; includes: "roofing" bones of skull and clavicles |
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Term
endochondral ossification |
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Definition
bone forms from model of hyaline cartilage; cartilage forms first, dies, then replaced with bone; occurs as embryo, includes all bones except roofing and clavicles; continues through puberty as long bones lengthen |
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Term
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Definition
long bones lengthen via endochondral ossification; occurs at epiphyseal growth plate and articular cartilage (both hyaline) |
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Term
Why does the diaphysis widen? |
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Definition
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Term
What cells beneath the peristeoum are here? |
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Definition
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Term
Why is cone resorbed from inside the medullary cavity? |
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Definition
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Term
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Definition
continuous remodeling seen in adult skeleton; rate of bone resorption=rate of bone deposit; mass stays constant |
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Term
putting stress on bone will allow it to grow |
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Definition
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Term
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Definition
mechanical and gravitational factors affect bone remodeling; bone stress can change with weight/exercise; increase weight/exercise=thicken bone at point of greatest stress |
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Term
At which point of the diaphysis of a long bone would you expect to be the thickest? |
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Definition
Midpoint of the diaphysis |
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Term
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Definition
bone has excellent regeneration; similar to wound repair; involves intramembranous and endochondral ossificatino |
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Term
How many bones are in the body? |
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Definition
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Term
3 major regions of axial skeleton |
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Definition
skull, thoracic cage, vertebral column |
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Term
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Definition
8 bones; enclose the brain in the cranial cavity |
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Term
How many bones are in the skull? |
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Definition
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Term
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Definition
form facial features and cavities for organs |
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Term
All bones except the _________ interconnect via ________; non-movable joints |
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Definition
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Term
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Definition
have layer of spongy bone known as diploe; surround and protect brain; are flat bones; are formed by intramembranous ossification |
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Term
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Definition
unpaired; anterior portion of cranium; forms forehead and roof of orbits |
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Term
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Definition
paired; "paries"= walls; form the superior and lateral walls of the skull |
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Term
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Definition
unpaired; forms most of posterior wall and base of the skull; articulates with 1st vertebra (atlas) at the occipital condyles |
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Term
Features of occipital bone |
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Definition
foramen magnum and occipital condyles |
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Term
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Definition
big hole that allows spinal cord to go through |
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Term
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Definition
rounded articular projections articulate with atlas to form the atlanto-occipital joint |
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Term
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Definition
paired; located inferior to the parietal bone |
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Term
Bone features of Temporal bone |
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Definition
external acoustic meatus, mastoid process |
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Term
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Definition
sound waves pass through here |
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Term
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Definition
attaches to sternocleidomastoid muscle |
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Term
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Definition
unpaired cranial bone; complex bat shape; articulates with all other cranial bones |
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Term
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Definition
of sphenoid bone= "Turk's saddle"; bony depression in which the pituitary gland sits |
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Term
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Definition
unpaired cranial bone, inside; deepest cranial bone= nose |
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Term
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Definition
zygomatic bones; paired; zygomatic process of temporal bone |
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Term
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Definition
paired facial bones; form the bridge of nose; attach to frontal bone and maxillae; attach to nasal cartilage of external nose |
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Term
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Definition
ethmoid bone; forms cavity and superior part of nasal septum; cribriform plates=punctured by tiny holes |
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Term
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Definition
delicate, shell or scroll shaped; created turbulence in inspired air; air swirls; particles strike mucosa lining the nasal cavity and becoming trapped in mucus |
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Term
What epithelium forms the mucous membrane in the nasal cavity? |
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Definition
pseudostratified ciliated columnar epithelium mixed with goblet cells |
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Term
True or false: the occipital condyles articulate with the atlas to form the atlanto-occipital joint |
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Definition
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Term
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Definition
formed by mandible; unpaired facial bone; largest strongest facial bone; only freely movable bone in skull |
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Term
2 bone features of mandible |
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Definition
mandibular condyles and sockets for lower teeth |
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Term
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Definition
formed by maxillae which fuse medially; have sockets for upper teeth; are the keystones of face; articulate with all other facial bones except mandible |
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Term
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Definition
formed by maxillae and palatine bones; forms the posterior hard palate; both pairs of facial bones normally fuse medially |
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Term
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Definition
failure of maxillae and palantine bones to fuse medially; may also be upper lip |
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Term
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Definition
not skull bone, does not articulate directly with any other bone, site of attachment for small muscles for swallowing and speech |
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Term
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Definition
axial support for trunk, surrounds and protects spinal cord, 26 irregular bones (vertebrae), separated by intervertebral discs |
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Term
Vertebral column encloses the vertebral cavity in which closed body cavity? |
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Definition
Dorsal body cavity; attachment point for ribs and numerous back/neck muscles |
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Term
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Definition
outer ring of firbocartliage; compressible |
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Term
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Definition
semifluid center of collagen and elastic fibers; elastic/compressible |
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Term
How many cervical vertebrae are there? |
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Definition
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Term
How many thoracic vertebrae? |
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Definition
12; thoracic cage and ribs attach here |
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Term
How many lumbar vertebrae? |
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Definition
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Term
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Definition
1 bone, from 5 fused vertebrae |
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Term
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Definition
1 bone from 4 fused vertebrae=tailbone |
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Term
Thoracic and sacral curvatures |
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Definition
convex posterity; seen at birth; baby has C-shaped vertebral column |
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Term
Cervical and lumbar curvatures |
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Definition
concave posterity; secondary, develop after birth/reflect changes in shape of discs |
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Term
What is true about the cervical, thoracic , and lumbar regions of the vertebral column? |
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Definition
the overall size of the vertebrae tends to increase as you descend from cervical to lumbar; transverse foramina are a special feature of cervical vertebrae |
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Term
Overall size of the vertebrae increase going from cervical to thoracic to lumbar regions. Why? |
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Definition
Size increases as vertebrae bear more weight |
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Term
Regional characteristic of vertebrae |
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Definition
differences in size and shape of vertebral body, shape and length of spinous fluid, size and shape of vertebral foramen |
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Term
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Definition
C1 to C7. lightest and smallest vertebrae, C1=atlas and C2=axis are atypical |
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Term
Typical cervical vertebra |
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Definition
small oval, vertebral foramen= large, triangular; bifid spinous process (except C7); transverse foramina carries blood vessels to brain |
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Term
Typical cervical vertebra |
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Definition
small oval, vertebral foramen= large, triangular; bifid spinous process (except C7); transverse foramina carries blood vessels to brain |
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Term
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Definition
ring of bone, no body or spinous process, articulates with occipital condyles and forms atlanto-occipital joint; lets you nod head "yes" |
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Term
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Definition
has body and bifid spinous process, has dens (odontoid process)/ a tooth-shaped process projecting superiorly from body |
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Term
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Definition
dens of axis articulate with atlas to form this joint, pivot point for rotation of atlas about the axis; lets you shake head "no" |
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Term
What shape is vertebral body of thoracic vertebrae? |
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Definition
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Term
What do each thoracic vertebrae articulate with? |
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Definition
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Term
In thoracic vertebrae, the articular processes between adjacent vertebrae allow what? |
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Definition
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Term
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Definition
largest, bear the most weight; kidney shaped, vertebral foramen= large and triangular |
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Term
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Definition
articulates with the ilium of each hip bone to form sacroiliac joints; helps stabilize perlvis |
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Term
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Definition
composed of thoracic vertebrae (T1-T12), sternum, and ribs and their costal cartilages |
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Term
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Definition
protects heart and lungs, supports pectoral girdles and upper limbs, attaches to breathing muscles-diaphragm and intercostal muscles |
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Term
True or False: men and women have the same number of ribs |
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Definition
True; ribs attach posterioirly |
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Term
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Definition
vertebrosternal; pairs 1-7; attach directly to the sternum by individual costal cartilages |
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Term
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Definition
pairs 8-12; vertebronchondral ribs (8-10) and vertebral "floating" ribs" |
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Term
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Definition
pairs 8-10; attach indirectly to sternum by joining costal cartilage of rib above |
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Term
Vertebral (floating) ribs |
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Definition
pairs 11-12, no attachments to sternum |
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Term
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Definition
shoulder, clavicle and scapula; attach upper limbs to axial skeleton, attach muscles that move the upper limbs, 2 girdles-articulate anteriorly but not posteriorly, allows free movement of shoulders |
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Term
Clavicle attaches medially to what? |
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Definition
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Term
Pectoral girdle lateral end attaches to |
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Definition
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Term
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Definition
act as braces, hold scapulae and arms out laterally, break easily, designed to snap outward |
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Term
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Definition
flat, triangular; on dorsal surface of rib cage; has acromion and glenoid cavity |
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Term
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Definition
arm (humerus), forearm (radius and ulna), and hand (carpals, metacarpals, and phalanges) |
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Term
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Definition
only bone of the arm (shoulder to elbow); classified as long bone; head at proximal end articulates with glenoid cavity; forms shoulder joint;distal end articulates with radius and ulna |
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Term
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Definition
head of humerus fits into glenoid cavity; freely movable but easily dislocated |
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Term
What is another name for shoulder joint? |
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Definition
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Term
Humerus articulates with ___________ of ulna to form _____________ |
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Definition
olecranon process; elbow joint |
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Term
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Definition
medial forearm bone; contribute the most to form the elbow joint with humerus |
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Term
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Definition
lateral forearm bone; same side as thumb,distal end articulate with certain carpals to form wrist (radiocarpal) joint |
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Term
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Definition
eight short bones (carpals); some articulate with radius |
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Term
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Definition
five metacarpal bones (I, II, III, IV, V) |
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Term
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Definition
each finder (digit), except the thumb has 3 phalanges--proximal, middle, and distal; thumb has no middle phalanx |
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Term
What type of bones are metacarpals and phalanges? |
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Definition
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Term
The knuckle joints are _________________, where the _____ end of a metacarpal articulates with the ____________end of the __________ proximal phalanx |
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Definition
metacarppphalangeal joints; distal; peoximal; proximal |
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Term
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Definition
two hip bones= coxal; attach lower limbs to axial skeleton with strong ligaments; transmit weight of upper body to lower limbs, support pelvic organs |
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Term
These bones articulate with each other |
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Definition
humerus and scapula; radius and ulna, ulna with humerus; humerus and radius |
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Term
Hip bones are what type of bone? |
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Definition
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Term
All 3 bones in the pelvic girdle are _____ and form _________ |
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Definition
hip bones, sacrum, and coccyx; acetabulum |
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Term
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Definition
"vinegar cup"; deep socket; articulates with head of femur to form hip joint |
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Term
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Definition
attaches to thigh muscles; supports your weight when you're sitting |
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Term
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Definition
opening for blood vessels, nerves |
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Term
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Definition
attaches to gluteal muscles |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
femur, tibia, fibula, tarsals, metatarsals, phalanges |
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Term
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Definition
only bone in thigh; is largest strongest bone in body; head articulates with hip bone to for hip joint; distal articulates with tibia and patella to make knee joint; does NOT articulate with fibula |
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Term
condyles articulate with tibia to form _________ |
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Definition
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Term
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Definition
larger leg bone, medial and on same side as big toe; bears body's weight- transmits it to foot |
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Term
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Definition
slender lateral bone, sticklike; helps stabilize the ankle |
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Term
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Definition
large rough projection at anterior end of tibia attaches to patellar ligament |
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Term
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Definition
inner bulge of ankle; articulates with talus |
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Term
How many bones are in the hand? |
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Definition
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Term
The ankle has ___ tasrsals |
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Definition
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Term
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Definition
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Term
Sole of foot has ___ metatarsals |
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Definition
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Term
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Definition
unites left and right illium |
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Term
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Definition
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Term
True or false: All joints are movable |
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Definition
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Term
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Definition
site where two or more bones meet "join" |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
fluid-filled joint includes most joints in body |
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Term
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Definition
covers ends of bones absorbs compression |
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Term
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Definition
fluid-filled space between bones |
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Term
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Definition
encloses the joint cavity and has 2 parts: fibrous capsule and synovial membrane |
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Term
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Definition
outer layer of dense irregular CT; continuous with periosteum |
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Term
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Definition
inner layer; lines fibrous capsule |
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Term
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Definition
slippery fluid that lubricates the articular surfaces |
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Term
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Definition
dense regular CT connect bone to bone |
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Term
Gliding movements of synovial joints |
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Definition
bones glide past or over each other; examples: intercarpal joints, intertarsal joints, between articular processes of vertebrae |
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Term
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Definition
change angle between bones; flexion, extension, hyperextension, abduction, adduction, and circumduction |
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Term
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Definition
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Term
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Definition
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Term
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Definition
excessive extension beyond normal range of motion |
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Term
Flexion and extension of the neck occur at what joint? |
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Definition
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Term
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Definition
movement AWAY from the midline along frontal plane |
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Term
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Definition
opposite of abduction; movement TOWARD the midline |
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Term
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Definition
flexion +abduction+extension+adduction; move a limb to describe a cone in space |
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Term
At which joint would circumduction of the head take place? |
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Definition
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Term
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Definition
turn bone around its own long axis; examples: C1 and C2; atlanto-axial, medial and lateral rotation of head as the atlas rotates about the dens of the axis; rotation of humerus or femur in their sockets |
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Term
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Definition
the atlas articulates with the occipital condyles of the occipital bone |
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Term
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Definition
the atlas articulates with the dens of the axis |
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Term
Movements or radius around ulna |
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Definition
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Term
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Definition
lateral rotation of forearm; palms face forward |
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Term
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Definition
medial rotation of forearm; radius crosses ulna like an "X"; palms face backward |
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Term
Movements of foot at ankle joint |
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Definition
Dorsiflexion and plantar flexion |
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Term
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Definition
upward movement; foot moves toward shin |
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Term
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Definition
downward movement; foot moves away from shin |
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Term
movements of foot intertarsak joints |
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Definition
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Term
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Definition
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Term
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Definition
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Term
Movements in transverse plane |
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Definition
protraction and retraction |
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Term
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Definition
anterior movement, jut out the mandible and hunch shoulders forward |
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Term
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Definition
posterior movement, pull mandible back and square shoulders back |
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Term
Superior and inferior movements |
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Definition
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Term
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Definition
lift body part superiorly; raise mandible to close mouth and shrug shoulders up |
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Term
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Definition
move body part inferiorly, lower mandible to open mouth; lower shoulders down |
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Term
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Definition
movement so that thumb touches tips of other fingers |
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Term
six types, based on shape of articular surfaces |
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Definition
plane, hinge, pivot, condyloid, saddle, ball and socket |
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Term
What is true about arm flexion? |
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Definition
occurs at shoulder joint, is the forward movement of the arm (humerus) in the anterior/posterior plane |
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Term
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Definition
gliding joints; angles do not change between bones; articular surfaces are flat and glide past each other |
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Term
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Definition
motion along a single plane; flexion and extension are only possible movements |
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Term
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Definition
rounded end of one bone fits onto a "sleeve", or ring of another bone; allows rotation about the long axis of a bone |
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Term
Pivoting atlanto-axial joint |
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Definition
atlas pivots around the dens of the axis; allows rotation of head |
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Term
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Definition
both articular surfaces are oval; permit all angular movements: flexion, extension, abduction, adduction, and circumduction |
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Term
The condyloid joints include |
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Definition
knuckle joints (metacarpophalangeal and metatarsophalangeal), atlanto-occipital joint, wrist (radiocarpal) joint |
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Term
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Definition
allow same movements as condyloid joints plus opposition; each articular surface has both concave and convex areas (like saddle) |
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Term
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Definition
most freely movable synovial joints; rounded head of a bone fits into a depression; examples: hip and shoulder joints |
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Term
Which movements of the head are possible at the atlanto-axial joint? |
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Definition
medial and lateral rotation |
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