Term
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Definition
connective tissue
crystals of inorganic calcium salts make it rigid
collagen fibers makes it flexible and strong |
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Term
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Definition
very few spaces inside
protection, support and strength
forms layer over spongy bone
concentric ring structure |
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Term
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Definition
makes up skull and vertebrae and epiphyses
lattice of thin bone plates called trabeculae
some bones have space filled with marrow
produces blood cells
greatest strength for least weight |
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Term
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Definition
diaphysis
epiphyses
metaphysis
medullary
endosteum
articular cartilage
periosteum |
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Term
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Definition
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Term
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Definition
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Term
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Definition
where epiphyses meets diaphysis
contains epiphyseal plate |
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Term
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Definition
| where bone growth occurs between epiphyses and diaphysis |
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Term
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Definition
marrow cavity
inside diaphysis
fatty marrow in adults |
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Term
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Definition
| layer of osteoblasts in the marrow cavity w/ some osteoclasts |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| thin layer of cartilage covering epiphysis at joint |
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Term
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Definition
fibrous covering around the bone
made of connective tissue with blood vessels
lymphatic vessels, nerves and cells that can become osteoblasts |
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Term
| osteon (haversian system) |
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Definition
structural unit of bone
elongated cylinders parallel to bone axis
hollow tube of bone composed of rings called lamella
collagen fibers next to lamella run perpendicular |
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Term
| central (haversion) canal |
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Definition
canal that runs through osteon
contains small blood vessels and nerve fibers |
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Term
| perforating (volmanns) canals |
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Definition
lie at right angle to central canal
connects nerves and blood vessels in central canal with rest of body |
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Term
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Definition
| mature bone cells found in lacunae (little space) at junctions of lamellae |
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Term
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Definition
| junctions that connect lacunae |
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Term
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Definition
lamellae that go around the bone
surrounds osteons like bark of a tree |
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Term
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Definition
bone formation
begins 6-7 weeks after conception |
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Term
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Definition
shaft ossifies first
the epiphyses
then epiphyseal plate after complete growth (becomes epiphyseal line) |
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Term
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Definition
calcium is constantly removed and added
controlled by osteoblasts and osteoclasts
needs calcium, phosphorous, and vitamin d |
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Term
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Definition
growth: pituitary gland
calcitonin: thyroid gland in throat
anticalcitonin: parathyroid gland in throat
serotonin: made in intestine |
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Term
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Definition
made in pituitary gland in brain
regulates bone growth |
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Term
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Definition
made in thyroid in throat
promotes calcium deposit in bones |
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Term
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Definition
made in parathyroid in throat
promotes calcium removal |
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Term
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Definition
made in intestine
inhibits osteoblast production |
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Term
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Definition
shifts balance between organic and calcium
leads to more inorganic salts and more brittle and less flexible bones |
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Term
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Definition
| wider, oval shaped pelvic opening for baby |
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Term
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Definition
narrow, heart shaped pelvic openin
thicker skull
prominent brow ridge |
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Term
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Definition
different bones stop at different times
tooth wear |
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Term
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Definition
can tell diet, location based on proportion of isotopes in bones
size of muscles
activites |
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