mucous membrane

mucous-membrane的词性：
n.（名词）

1. A membrane lining all body passages that communicate with the air, such as the respiratory and alimentary tracts, and having cells and associated glands that secrete mucus.Also called mucosa
粘膜：一种能分泌粘液的膜，附于身体内与外界相通的腔道上，如消化道和呼吸道，有能分泌粘液的细胞和相关的腺也作 mucosa