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10 Cards in this Set
- Front
- Back
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Compact Bone |
Dense bone where matrix is filled with organic ground substance and inorganic salts. spaces called lacunae contain osteocytes. Encloses cancellous bone. 80% of the human skeleton.
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Spongy Bone |
Also called cancellous bone, is light a porous. Matrix is made of trabeculae, arranged along lines of stress. Spaces between are filled with marrow. 20% of the human skeleton. found in areas of the bone not subject to great mechanical use. |
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Epiphysis |
Rounded end of long bone. |
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Diaphysis |
Main section of the bone ( shaft) made of cortical bone and contains bone marrow and adipose tissue. |
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Osteocyte |
osteoblast that has become embedded with in the lacunae. |
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Osteoblast |
Cells with a single nuclei that synthesize bone. |
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Osteoclast |
Resorps bone tissue. |
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Ossification |
the hardening of tissue into bone like material. |
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Calictonin and PTH |
Naturally occurring hormone that maintains calcium levels and promotes formation of bone. PTH ( parathyroid hormone) |
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Articulation |
joint, formed of fiborous connective tissue and cartilage and permits movement. |
