出典:Wiktionary
出典:『Wiktionary』 (2012/02/22 17:18 UTC 版)
semipermeable membrane (複数形 semipermeable membranes)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/08 17:51 UTC 版)
A semipermeable membrane, also termed a selectively permeable membrane, a partially permeable membrane or a differentially permeable membrane, is a membrane that will allow certain molecules or ions to pass through it by diffusion and occasionally specialized "facilitated diffusion".