dictionary.ptmembranenounfemininegeneral usecommon/mɨ̃ˈbɾɐnɐ/mem·bra·naPortuguêsEnglishEspañolFrançaisDefinition1A thin, flexible layer of tissue that covers, separates, or lines a structure.Usage examples“The cell membrane controls the movement of substances in and out.”“A mucous membrane lines the digestive tract.”SynonymsfilmlayerCommon combinationscell membranemucous membranesemipermeable membrane
A thin, flexible layer of tissue that covers, separates, or lines a structure.Usage examples“The cell membrane controls the movement of substances in and out.”“A mucous membrane lines the digestive tract.”SynonymsfilmlayerCommon combinationscell membranemucous membranesemipermeable membrane