外がい膜まく

noun

outer membrane

Biology term for the outermost lipid bilayer of a cell or organelle.

• グラム陰いん性せい菌きんは外がい膜まくを持もっている。

  Gram-negative bacteria have an outer membrane.

noun

adventitia

Anatomy term for the outermost connective tissue covering of an organ or vessel.

• 血けっ管かんの外がい膜まくは結けつ合ごう組そ織しきからなる。

  The adventitia of a blood vessel consists of connective tissue.