MultiTab Widget

Monday, September 14, 2009

What is the difference between 'Mucus' and 'Mucous'?

Mucus is the noun and mucous is the adjective.
e.g. Mucus is the stuff secreted through the mucous membrane!
Mucous (adj)
(1) containing, producing or secreting mucus: e.g. a mucous tissue
(2) Relating to, consisting of, or resembling mucus: a mucous substance.
Mucus (noun)
The viscous, slippery substance that consists chiefly of mucin, water, cells, and inorganic salts and is secreted as a protective lubricant coating by cells and glands of the mucous membranes.
Mucin (noun)
Viscous mucoprotein. The main constituent of mucus.

Post your comments. To learn how to post comments click here.


  1. What about mucosa? Is it the same thing as mucus?

  2. Mucosa is the mucus-secreting membrane which lines the open body cavities e.g. gastro-intestinal tract and respiratory tract