long bone arise from endochondral ossification or intramembranous ossification?

[Smooth Operater]

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long bone arise from endochondral ossification or intramembranous ossification? Thanks. The topscore said it's from endochondral, but I think it's intramembranous. Or maybe it is both? Thanks!

 

[Duysal]

I just finished studying this in A&P: Long bones arise from endochondral ossification (where bone replaces cartilage), as do most bones of the body.

 

[blue_moon01]

long bone arise from endochondral ossification or intramembranous ossification? Thanks. The topscore said it's from endochondral, but I think it's intramembranous. Or maybe it is both? Thanks!

Typically all long bones arise from endochondral and flat-bones are intramembranous.

 

[mightymouse23]

bone growth via width (ie increasing diameter) is via intracartiliagenous model; bone growth via length is via endochondral ossification at the ephipyseal plates. Note that the periosteal collar is important to the diaphysis in bone development.