Function: noun
Date: 1803
: a membrane rich in mucous glands specifically : one that lines body passages and cavities which communicate directly or indirectly with the exterior
Function: noun
Date: 1803
: a membrane rich in mucous glands specifically : one that lines body passages and cavities which communicate directly or indirectly with the exterior
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012