What's the Difference Between 'Mucous' and 'Mucus'?

'Mucous' or 'Mucus'?

"Mucous" and "mucus" are two words that are often used to describe a thick, slippery substance produced by the body, but there is a difference in their usage.

"Mucus" is a noun that refers to the substance produced by the mucous membranes in the body. It serves to moisten and protect the internal surfaces of the body, such as the respiratory, digestive, and reproductive systems.

Mucus is important in maintaining the health and function of these systems as it helps to trap foreign particles and prevent infections.

Examples:

• The mucus produced by the nose helps to trap dust and other particles before they can reach the lungs.

• Mucus plays a crucial role in maintaining the health of the digestive system by lubricating the digestive tract and preventing infections.

"Mucous," on the other hand, is an adjective that is used to describe something that is related to or having the qualities of mucus.

It can also be used as a non-standard spelling for "mucus," but its use in this context is considered incorrect.

Examples:

• The mucous membranes in the body are responsible for producing mucus.

• The mucous layer that covers the surface of the eyes helps to protect and lubricate the eyes.

In conclusion, the main difference between "mucous" and "mucus" is that "mucus" is a noun that refers to the substance produced by the mucous membranes in the body, while "mucous" is an adjective that is used to describe something that is related to or having the qualities of mucus.

It's important to note that "mucous" is considered an incorrect spelling for "mucus" as a noun in standard usage.