骨膜
a dense fibrous membrane covering the surface of bones (except at their extremities) and serving as an attachment for tendons and muscles contains nerves and blood vessels that nourish the enclosed bone
骨（四肢を除く）の表面を覆お、腱と筋肉をくっつける働きをする高密度な線維膜 囲まれた骨に滋養物を与える神経と血管を含む