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To begin your search, go to the alphabetical index below and click on the first letter of the word you are searching for.

mucus, mucous

Mucus is a noun and refers to a liquid that is produced by some parts of the body.

  • The nose secretes excess mucus when a person suffers from a cold.

Mucous is an adjective meaning “containing, producing or secreting mucus.”

  • This disease affects the mucous membranes of the body.