end·os·te·um /ɛnˈdɑstiəm/
骨內膜
end·os·te·um /ɛnˈdɑstɪəm/ 名詞
En·dos·te·um n. Anat. The layer of vascular connective tissue lining the medullary cavities of bone.
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endosteum
n : vascular membrane that lines the inner surface of long bones
[also: endostea (pl)]