Summary: Bones 3
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9.18 bones
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occurs on hyaline cartilage models or fibrous membranes
ossification -
two major phases of ossification in long bones
osteoblasts beging making bone matrix
osteoclasts form medullary cavity -
in ossification, osteoblasts makes bone matrix in the __ and __
bone collar and primary ossification/ growth center -
superficial bone of diaphysis in ossification
bone collar -
in the second phase of ossification, osteoblasts also
form the secondary growth center in epiphysis (ends) -
By birth, moth cartilage is converted to bone except __ and __ of a long bone
articular cartilages
epiphyseal plates -
__ and __ allow for lengthwise growth of long bones during childhood
cartilage of epiphyseal plates and articular cartilage -
cartilage is continuously ossified as it grows away from the __ and __ (active osteoblasts)
epiphyseal plate and articular cartilage -
in long bone formation, old cartilage is broken down and replaced by __
bony matrix -
growth is driven by __ during the embryonic, fetal, and childhood development
hormones
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