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mucus

American  
[myoo-kuhs] / ˈmyu kəs /

noun

  1. 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.


mucus British  
/ ˈmjuːkəs /

noun

  1. the slimy protective secretion of the mucous membranes, consisting mainly of mucin

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

mucus Scientific  
/ myo̅o̅kəs /
  1. The slimy, viscous substance secreted as a protective lubricant by mucous membranes. Mucus is composed chiefly of large glycoproteins called mucins and inorganic salts suspended in water.


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


Etymology

Origin of mucus

1655–65; < Latin mūcus snot; akin to Greek myktḗr nose, mýxa slime

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The strongest association involved the gene St6galnac1, which adds sugar molecules to the mucus lining of the gut.

From Science Daily

It's how our body gets rid of the mucus.

From BBC

"The solution can dilute the blocked nose, stimulate turnover of mucus and relieve inflammation."

From BBC

In nature, dIgA is produced as part of the immune system and is released into tears, saliva and mucus as an early defense against pathogens.

From Science Daily

These mutations lead to thick mucus buildup in the lungs, resulting in chronic infections and long-term lung damage.

From Science Daily