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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Skeletal System |
Consist of bones, joints, cartilage and ligaments associated with the joint |
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Functions of the skeletal system |
Supports, protect body organs, enables movement, store minerals, produces blood cells |
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Long bones |
Longer than they are wide |
Arms, firearms, palms, fingers, thighs, legs, instep |
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Short bones |
Shapes like cubes |
Found in wrist and ankles |
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Flat bones |
Thin, flat, and curved |
Ribs, breast bone, cranium, shoulder gridle |
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Osseous tissue |
Bone |
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Ossification |
Process of not formation |
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Osteoblasts |
Secrete an intracellular matrix, sit within the hard bone matrix and maintain bone |
Contains calcium, other minerals, and protein fibers |
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Compact bone |
Dense, hard bone on the outer surface of other bones |
Tightly packed, contains a haversian system |
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Spongy/cancellous bone |
Less dense, located at the ends of long bones and in the center of other bones |
Does not contain a Havertown system, arranged in trabeculae |
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Irregular bones |
Differently shaped bones |
Hip bones, vertebrae, various bones in the skull |
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Osteon |
Microscopic unit of compact bone |
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Haversian system |
Consists of mature osteocytes arranged in concentric circles around large blood vessels |
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Trabeculae |
Bone plates, separated |
(1) decrease the weight of the bone (2) they contain red bone marrow |
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Diaphysis |
long bone shaft composed primarily of compact bone providing strength |
Long Bone |
