A thick, slippery substance produced by the body's glands to protect and moisten surfaces
Examples:
The doctor explained how mucus protects our lungs.Seasonal allergies often lead to excess mucus production.Mucus traps dust and microbes entering the nasal cavity.
Synonyms:
Antonyms:
Mucous
A slippery substance produced by membranes in the body, often found in the nose and throat.
Examples:
The snail leaves a mucous trail across the pavement.Mucous membranes line various cavities within the body.During allergies, mucous production can significantly increase.
Synonyms:
Antonyms:
Ways to tell them apart:
"Mucus" is a noun, so it refers to the substance itself, like water,air, or food.
"Mucous" is an adjective, and adjectives describe nouns, e.g., mucous membrane.'
Remember: mucus has an s at the end like mass, focusing on the substance.
Mucous has an o, which you can associate with coat to remember it's describing things that are covered or lined.
Visualize a mucous membrane secreting mucus to help remember which is which.