"mucous membrane." YourDictionary, n.d. Web. 13 October 2018. <http://www.yourdictionary.com/mucous-membrane>.
mucous membrane. (n.d.). Retrieved October 13th, 2018, from http://www.yourdictionary.com/mucous-membrane
(plural mucous membranes)
(anatomy) A membrane which secretes mucus. It forms the lining of various body passages that communicate with the air, such as the respiratory, genitourinary, and alimentary tracts including the mouth, nasal passages, vagina and urethra.
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