| 单词 | System,Haversian |
| 释义 | System,Haversian《英文msh词典》System,Haversian [入口词] System,Haversian [主题词] Haversian System [英文释义] A circular structural unit of bone tissue. It consists of a central hole,the Haversian canal through which blood vessels run,surrounded by concentric rings,called lamellae. |
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