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st 107
skeletal system vocab
40
Health Care
Professional
06/10/2009

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Term
head
Definition
a rounded projection beyond a narrowneckline portion
Term
joint
Definition
point of junction between to bones
Term
sinus
Definition
a cavity or sponge like space in a bone (frontal) which is mucous-filled and filled with air spaces
Term
trochanter
Definition
a very large process
Term
axial
Definition
pertaining to a line running through the center of a body; also pertaining to head and trunk
Term
circumduction
Definition
moving the bone so that the end of it describes a circle and the sides of it describe a cone
Term
abduction
Definition
moving the bone away from the midline
Term
metaphysis
Definition
wide part at the extremity of the shaft of a long bone that supports the epiphysis
Term
fontanels
Definition
unossified spaces or soft spots lying between the cranial bones of the skull of a fetus or infant
Term
supination
Definition
moving the bones of the forearms so that the radius and ulna are parallel
Term
articular cartilage
Definition
thin cartilage covering the articular surface of each epiphysis that cushions jars and blows
Term
epiphysis
Definition
bulbous-shaped extremities of long bones that provide generous space for muscle attachments near the joints
Term
condyle
Definition
a rounded projection that enters into formation of a joint
Term
spinous process
Definition
a sharp projection
Term
olecranon process
Definition
an extension at he proximal end of the ulna
Term
tubercle
Definition
a small rounded projection
Term
compact bone
Definition
the hard bone that is found outside the medullary cavity in the shaft of long bones
Term
foraman
Definition
a hole
Term
rotation
Definition
moving the bone around a central axis; the plane of motion is perpendicular to teh axis
Term
flexion
Definition
bending or decreasing the angle between two bones
Term
fossa
Definition
a hollow or depression
Term
articulation
Definition
the connection of bones; a joint
Term
sutures
Definition
lines of union of cranial bones by a thin fibrous membrane which eventually disappears
Term
diaphysis
Definition
the main shaft like portion of a bone
Term
cancellous bone
Definition
the spongy tissue found in the epiphyseal portion of long bones
Term
ligament
Definition
a band of fibrous connective tissue connecting bones, cartilages and other structures and serving for support or for attachemtn of fascia or muscles
Term
periosteum
Definition
the fibromuscular membrane that covers the bone except at joing surfaces where the articular cartilage forms the covering
Term
arthrology
Definition
science dealing with the study of joints
Term
meatus
Definition
a tube-shaped opening
Term
adduction
Definition
moving the bone toward the midline
Term
eversion
Definition
moving the soles of the foot outward at the ankle joint
Term
process
Definition
a projection or outgrowth of bone or tissue
Term
xiphoid process
Definition
thin elongated process extending caudally from body of the sternum
Term
tuberosity
Definition
a large rounded projection
Term
cartilage
Definition
a type of dense connective tissue consisting of cells embedded in a matrix, it is firm, compact and capable of withstanding pressure and tension
Term
medullary cavity
Definition
a cavity running the length of the diaphysis which contains bone marrow
Term
endosteum
Definition
a condensed layer of bone marrow which lines the medullary cavity
Term
ossicle
Definition
any small bone (especially one of the small bones in the ear)
Term
bursa
Definition
pad-like sac or cavity found in connective tissue usually near a joint which is lined with synovial membrane and filled with synovial fluid which helps to reduce friction between moving parts
Term
extension
Definition
straigtening or increasing the angle between two bones
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