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ossification

endonchondral ossification (major form)

QuestionAnswer
what bone of the body originate as hyaline cartilage endochondral ossification
what bone replaces the cartilage endochondral ossification
cartilage and chondrocytes in the shaft enlarges in what bones? long bones
in long bones the matrix is reduced to small struts
calcified struts isolate the ___ in long bones chondrocytes
chondrocytes die and disintegrate in long bones
bone formation occurs first on the __ shaft surface
cells of the innter layer of the cartilage covering (perichondrium) differentiate into what? osteoblasts
new blood vessels penetrate the cartilage to the ___ central region
what forms an ossification center within the bone? new osteoblasts
spongy bone spreads towards ___ the end
as the bone enlarges, osteoclasts erode the ___ trabeculae
secondary ossification centers from in the ___ epiphyses
epiphyses becomes filled with ___ spongy bone
a thin cap of the original cartilage remains exposed on the ends is called what? articular cartilage
at a metaphysis, a narrow cartilaginous region called the ___ separates the epiphysis from the diaphysis. epiphyseal cartilage
growth in length occurs from the ___ epiphyseal cartilage
cell division produces new cartilage, but at the border with diaphysis, older cartilage is broken down by invading osteoclasts (replaced with bone and medullary cavity expands) epiphyseal cartilage
as long as the epiphyseal cartilage continues to grow the bone will continue to ___ grow in length
Created by: apurcel1