Diagram Of Bone Structure
Types of Bones
a. Long bones: elongated shape, not necessarily in size -shaft with heads at both ends -primarily compact bone -contains spongy bone in its interior b. Short bones: cube-like -thin outer surface is compact bone -composed mostly of spongy bone -bones of wrist and ankle -sesamoid bones such as the patella: attach to tendons c. Flat bones: thin, flat, and usually curved -thin layers of compact bone around a layer of spongy bone -sternum, ribs, and skull bones d. Irregular bones: bones that don't fit into categories -examples: vertebra and hip bones -mostly spongy bone with thin outer layers of compact bone
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