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mucuses

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mu⋅cus

[myoo-kuhs]
–noun
a viscous, slimy mixture of mucins, water, electrolytes, epithelial cells, and leukocytes that is secreted by glands lining the nasal, esophageal, and other body cavities and serves primarily to protect and lubricate surfaces.

Origin:
1655–65; < L mūcus snot; akin to Gk myktr nose, mýxa slime
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Cultural Dictionary

mucus

A slippery and somewhat sticky fluid secreted by the glands in mucous membranes. Mucus lubricates and protects the mucous membranes.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

mucus 
1661, from L. mucus "slime, mold, snot," from PIE base *(s)meug- "to slip, slippery, slime" (cf. L. emungere "to sneeze out, blow one's nose," mucere "be moldy or musty," Gk. myssesthai "to blow the nose," myxa "mucus," mykes "fungus," Skt. muncati "he releases"). Replaced O.E. horh, which may be imitative. Mucous (adj.), first recorded 1646, is from L. mucosus, from mucus.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: mu·cus
Pronunciation: 'myü-k&s
Function: noun
: a viscid slippery secretion that is usually rich in mucins and is produced bymucous membranes which it moistens and protects
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

mucus mu·cus (my&oomacr;'kəs)
n.
The viscous slippery substance that consists chiefly of mucin, water, cells, and inorganic salts and that is secreted as a protective lubricant coating by the cells and glands of the mucous membranes.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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