base·ment membrane /ˌbesmənt-/ 名詞
基底膜,基膜
Base·ment n. Arch. The outer wall of the ground story of a building, or of a part of that story, when treated as a distinct substructure. (See Base, n., 3 (a).) Hence: The rooms of a ground floor, collectively.
Basement membrane Anat., a delicate membrane composed of a single layer of flat cells, forming the substratum upon which, in many organs, the epithelioid cells are disposed.
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