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19 terms

Bones

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Matrix
collagen fibers for strenth proteoglycans for reiliencey
articular cartilae
covers bones at joints; has no perichondrium also, does not ossify
lacunae
spaces occupied by osteocytes
canaliculi
cannals ocupied by osteocyte cell process
woven bone
collage fibers randomly oriendted.
lamellae
mature bone in sheets
trabeculae
interconnecting rods or plates of bone; like scaffolding
appositional (growth)
new chondrocytes and new matrix at the periphery
interstitial (growth)
chonddrocytes within the tissue divide and add more matrix between cells.
hydroxyapatite
the "cement"
diaphysis
shaft, compact
epiphysis
end of bone, spongy
epiphyseal plate
growth plate,
epiphyseal line
bone stops growing in length
medullary cavity
in children cavity is red marrow, gradually changes to yellow
sharpey's fibers
strengthen attachment of tendon to bone
endosteum
thin connective tissue membrane lining inner cavities of bones
intramembranous ossification
takes place in connective tissue
endochondrol ossifciation
takes place in cartilage