Term
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Definition
fibrous
cartilaginous
synovial |
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Term
| 3 classifications of joints |
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Definition
synthrosis
amphiarthrosis
diarthrosis |
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Term
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Definition
little to no movement
3 types: sutures, syndesmosis, gomphosis |
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Term
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Definition
fibrous joint that unite bones of skull
synarthrosis
ex. sutures in skull |
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Term
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Definition
fibrous joint in which the distance between articulating bones and the amount of dense fibrous connective
tissue is greater than in a suture
amphiarthrosis
ex. between tibia and fibula |
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Term
|
Definition
fibrous joint in which a cone-shaped peg fits into a socket
synarthrosis
ex. teeth |
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Term
|
Definition
little to no movement
2 types: synchondrosis, symphysis |
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Term
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Definition
cartilaginous joint in which connecting material is HYALINE CARTILAGE
synarthrosis
ex. epiphyseal plate |
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Term
|
Definition
cartilaginous joint in which ends of the articulating bones are covered with hyaline cartilage
ex. pubic bone |
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Term
|
Definition
includes a synovial cavity
includes: articular cartilage, articular capsule |
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Term
|
Definition
part of synovial joint
hyaline cartilage that coveres the ends of bones |
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Term
|
Definition
part of synovial joints
surrounds the synovial joint, covers teh synovial cavity and unites teh articulating bones
2 layers: fibrous capsule, synovial membrane |
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Term
|
Definition
outer layer of articular capsule of synovial joints
attaches to the periosteum of articulating bones |
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Term
|
Definition
inner layer of articular capsule of synovial joints
fatty pads of joints, secretes synovial fluid |
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Term
|
Definition
planar
hinge
pivot
condyloid
saddle
ball-and-socket |
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Term
|
Definition
synovial joint
flat/slightly curved
permit GLIDING
ex. carpals and tarsals |
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Term
|
Definition
permits hinge-like movements
ex. knee, elbow, ankle |
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Term
|
Definition
allows rotation around its own longitudinal axis
ex. neck/head to nod no, ulna and radius |
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Term
|
Definition
oval shaped projection fits into oval shaped depression
ex. finger bones |
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Term
|
Definition
articular surface of one and bone and another bone are saddle-shaped
ex. thumb |
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Term
|
Definition
ball-like surface fits into cup-like depression
ex. hips and shoulders |
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Term
| functions of skeletal system |
|
Definition
support
protection
assising in movement
mineral homeostasis
production of blood cells
bone marrow storage |
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Term
|
Definition
long
short
irregular
flat
sesamoid |
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Term
|
Definition
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Term
|
Definition
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Term
|
Definition
growing parts of the bone that connect the epiphysis and diaphysis
contains epiphyseal plate |
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Term
|
Definition
| hyaline cartilage that covers part of epiphysis |
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Term
|
Definition
| outer surface of bone not covered by articular cartilage |
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Term
|
Definition
| marrow cavity inside bone that contains marrow |
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Term
|
Definition
| layer that lines the medullary cavity |
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Term
|
Definition
osteogenic cells --> osteoblasts --> osteocytes
and then osteoclasts |
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Term
|
Definition
unspecialized stem cells
only bones that undergo cell division |
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Term
|
Definition
bone-building cells
build/secrete extracellular matrix of bones
do not udnergo cell division |
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Term
|
Definition
mature bone cells
maintain metabolism
do not undergo cell division |
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Term
|
Definition
| huge cells of fused white blood cells that function in resorption and breakdown of boen matrix |
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Term
|
Definition
"osteons"
contain haversian canals, concentric lammellae, lacunae, and canaliculi |
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Term
|
Definition
| a whole circle thing of a bone that contains blood vessels, nerves, lymphatic vessels |
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Term
|
Definition
| rings of hard, calcified extracellular matrix |
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Term
|
Definition
| spaces between concentric lamellae that contain osteocytes |
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Term
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Definition
| radiates in all directions from teh lacunae,filled with extracellular matrix |
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Term
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Definition
| (perforating canals) canals containing blood/hymphatic vessels, and nerves from the periosteum penetrating compact bone |
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Term
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Definition
| spongy bone tissue that does not contain osteons |
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Term
| 2 types of bone formation |
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Definition
intramembranous
endochondrial |
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Term
| intramembranous ossification |
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Definition
| soft spots in a baby's head become bone |
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Term
| endochondrial ossification |
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Definition
most common form of ossification in body
bone replaces cartilage |
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Term
|
Definition
| most important hormone that regulates Ca2+ |
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Term
|
Definition
| main torso part of skeleton + skull |
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Term
|
Definition
| rest of skeleton, including scapula + limbs + illium |
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Term
|
Definition
| unites frontal and parietal bones |
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Term
|
Definition
| unites the 2 parietal bones |
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Term
|
Definition
| unites parietal and occipital bones |
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Term
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Definition
| unites parietal and temporal bones |
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Term
|
Definition
-cervical curv
-thoracic curve
-lumbar curve
-sacral curve
(CTLS) |
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Term
|
Definition
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Term
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Definition
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Term
|
Definition
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Term
|
Definition
contains 5 fused vertebrae
includes sacrum and coccyx |
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Term
|
Definition
| contains scapulae and clavicle |
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