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Stack #604119
Skeletal
Question | Answer |
---|---|
Abduction | movement of a body part away from the midline. |
Adduction | movement of the body toward the midline. |
Articular | cartilage; a thin layer of cartilage covering each epiphysis. |
circumduction | moves the distal end of a bone in a circle. |
compact bone | the outer layer of bone that is hard and dense. |
condyle | an oval projection that fits into an elliptical socket. |
crest | a sharp edge |
diaphysis | the shaft of a bone. |
endosteum | thin membrane that lines the medullary cavity. |
epiphyseal plate | cartilage between the epiphyses and diaphysis that promotes growth. |
epiphyses | the ends of a bone |
extension | INCREASING the angle of a joint. ie. a straightening a bent elbow. |
flexion | REDUCES the angle of a joint. ie. bending an elbow. |
fontanel | areas where ossification is incomplete or known as "soft spots". |
hematopoiesis | The process of blood cell formation. |
medullary cavity | the hollow area inside the diaphysis of a bone containing yellow bone marrow. |
olecranon fossa | a large depression on the posterior surface of the humerus. |
osteoclasts | bone reabsorbing cells. |
osteocytes | living bone cells |
osteoblasts | a bone forming cell |
periosteum | a strong fibrous membrane covering a long bone everywhere except a joint surface. |
red bone marrow | soft connective tissue inside the hard walls of some bones that is the center of production of all blood cells consisting mainly of myeloid tissue. |
fossa | a hollow or depressed area. |
What are the four functions of the skeletal system? | Movement, Protection, Storage, and Hematopiesis |