Mucus - Dictionary Definition and Overview

Mucus :  (noun)

1: protective secretion of the mucous membranes; in the gut it lubricates the passage of food and protects the epithelial cells; in the nose and throat and lungs it can make it difficult for bacteria to penetrate the body through the epithelium [syn: mucous secretion]

Based on WordNet 2.0

Mucus : \Mu"cus\, n. [L. mucus, muccus; cf. mucere 8be moldy or musty, Gr. ? mucus, and Skr. muc to release. Cf. Match for striking fire, Moist, Mucilage.] 1. (Physiol.) A viscid fluid secreted by mucous membranes, which it serves to moisten and protect. It covers the lining membranes of all the cavities which open externally, such as those of the mouth, nose, lungs, intestinal canal, urinary passages, etc.

2. (Physiol.) Any other animal fluid of a viscid quality, as the synovial fluid, which lubricates the cavities of the joints; -- improperly so used.

3. (Bot.) A gelatinous or slimy substance found in certain alg[ae] and other plants.

Based on Webster's Revised Unabridged Dictionary

Mucus :  Mucus: A thick slippery fluid produced by the membranes lining certain organs such as the nose, mouth, throat, and vagina. Mucus is the Latin word for "a semifluid, slimy discharge from the nose." Note that mucus is a noun while the adjective is mucous.



Based on Webster's Revised Unabridged Dictionary (1913)

Example Usage of Mucus

jademyst: @gunnerkrigg Dairy tends to increase Mucus production. Hope you are feeling better soon!
boohewerdine: #Budgetversionsoffilms The Sound of Mucus
mrbnatural: Oh I do not feel well. Looooots of Mucus
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