any of numerous tiny longitudinal channels, surrounded by concentric lamellae of bone and containing blood vessels and connective tissue, which are…
| 单词 | θ27007 |
| 释义 | the world > life > the body > structural parts > bone or bones > parts of bones > [noun] > opening or passage (4) Haversian canal1838 any of numerous tiny longitudinal channels, surrounded by concentric lamellae of bone and containing blood vessels and connective tissue, which are… fenestra1844 Anatomy. A small hole or opening in a bone, etc.; esp. applied to the two openings on the inner wall of the tympanum of the ear, fenestra ovalis, f… 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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