Long cylindrical shaft
Diaphysis
Hard, dense compact bone forming walls of diaphysis
Cortex
Dense, fibrous membrane covering outer surface of diaphysis
Periosteum
Fibrous membrane that lines the inside of the cortex
Endosteum
Betwwn walls of diaphysis, containing yellow or fatty marrow
Medullary (marrow) cavity
Ends of ong bones formed from cancelleous (spongy or trabecular) bone
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