HealthJune 16, 2026

mucosa

mjuˈkoʊsə

Definition

The moist, protective tissue layer that lines body cavities and canals that open to the exterior, such as the mouth and digestive tract.

Etymology

Derived from the Latin 'mucosus' meaning 'slimy' or 'full of mucus.' It entered medical English in the 19th century to describe the specific type of epithelial membrane that secretes mucus.

In the news

In this article, experts explain that the oral mucosa is sensitive to hormonal fluctuations during menopause, which can lead to symptoms like dryness, burning, and irritation.

Oral Health and Menopause Lunch and Learn Highlights Need for Interdisciplinary Care

Read the full article ↗

UConn Today

Related words

Learn a word like this every day

Meet one new word every morning.

Newspoken pulls one carefully chosen word from the day’s news — with a clear definition, context, and light review that makes it stick. Get it on your phone.