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29 Cards in this Set
- Front
- Back
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Bones |
connectives tissues made up of collagen and calcium |
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Cortical bone |
Hard, consists largely of collagen and hydroxyapatite |
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Trabecular bones |
Soft, less dense filled with bone marrow |
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Long bones |
Bones that are longer than they are wide |
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Short bones |
Consists of primarily spongy bones |
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Flat bones |
Example of this type of bone is the cranium and sternum |
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Irregular bones |
Example of this type of bone is the vertebrae |
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Sesamoid bone |
This type of bone develops in response to stress as the tendons repeatedly move across a joint |
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Number of bones in an adult |
206 |
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Number of bones at birth |
270 |
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Osteoblasts |
Bone forming cells |
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Osteocytes |
Mature bone cells |
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Osteoclasts |
break down and reabsorb bones |
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Cervical vertebrae |
This section of the vertebrae make up the neck |
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Thoracic vertebrae |
This section of the vertebrae comprise the chest section and have ribs attached |
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Lumbar vertebrae |
This section of the vertebrae comprise the remaining below the thoracic |
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Sacral vertebrae |
This section of the vertebrae are caged withing the pelvis with the coccyx |
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Extensor |
increases the angle at a joint |
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Flexor |
Decreases the angle at a joint |
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Abductor |
Moves limb away from midline of body |
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Adductor |
Moves limb toward midline of body |
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Abductor |
Moves limb away from midline of body |
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Levator |
Moves insertion upward |
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Depressor |
Moves insertion downward |
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Rotator |
Rotates a bone along its axis |
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Sphincter |
Constricts an opening |
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Smooth Muscle |
no striations, central nucles, involuntary |
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Skeletal |
striations, peripheral muscle,voluntary, multinucleated |
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Cardoac |
striations,central nucleus,involuntary |
