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the world > life > the body > structural parts > bone or bones > substance of bones > [noun] > Haversian system (2)
Haversian system1845

a Haversian canal and the surrounding lamellae of bone (often considered as a structural unit of bone); = osteon, n.

osteon1928

A basic structural unit of bone, consisting of one or more concentric layers of bone around a longitudinal vascular channel; = Haversian system n. at…

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更新时间:2024/9/21 3:32:53