mucous membrane

noun

: a membrane rich in mucous glands

specifically : one that lines body cavities and passages (as of the gastrointestinal or respiratory tract) which communicate directly or indirectly with the outside of the body : mucosa

Pruritus and congestion involving mucous membranes of the eyes, nose, and mouth are frequently observed, and swelling of the lips or tongue may impair swallowing and ventilation.

—Bruce S. Bochner et al.

Examples of mucous membrane in a Sentence

Recent Examples on the Web

As the tablet/film dissolves in the mouth, the medication slowly enters the body’s bloodstream by the mucous membranes. —Phuoc Anh (anne) Nguyen, Pharmd, Ms, Verywell Health, 17 July 2024

Early indicators that your pet might be overheating include excessive and heavy panting, drooling, very red mucous membranes and restlessness. —Dr. Devon B. Smith, Baltimore Sun, 16 July 2024

Those include nervous system damage, headaches, skin and mucous membrane irritation, fatigue and loss of muscle coordination and memory. —Madeline Holcombe, CNN, 2 July 2024

It’s transmitted through direct contact with contaminated water, soil or food which enters the body through open wounds or mucous membranes. —Eduardo Cuevas, USA TODAY, 18 Apr. 2024

Word History

First Known Use

circa 1771, in the meaning defined above

Kids Definition

mucous membrane

noun

: a membrane rich in mucous glands

especially : one lining body passages and cavities (as of the nose or lungs) which connect directly or indirectly with the outside

Medical Definition

mucous membrane

noun

: a moist membranous layer rich in mucous glands that lines body passages and cavities (as of the digestive, respiratory, and genitourinary tracts) which connect directly or indirectly with the exterior, that functions in protection, support, nutrient absorption, and secretion of mucus, enzymes, and salts, and that is composed of epithelium supported below by the lamina propria and sometimes by the muscularis mucosae

called also mucosa

compare serous membrane