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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
Chemotherapy Chemotherapy treatments can damage the mucous membranes that line your gastrointestinal tract and cause rectal discharge.
—Anna Giorgi, Verywell Health, 15 Oct. 2024
Advisers to the Food and Drug Administration met this month to discuss new, more durable vaccines, including nasal vaccines that could boost immunity through mucous membranes.
—Adriel Bettelheim, Axios, 30 Sep. 2024
People with darker skin tones may have mucous membranes that appear gray or blue.
—Carrie Madormo, Rn, Health, 26 Sep. 2024
Individuals who live in dry climates may have drier mucous membranes than those in humid ones.
—Bethany Brookshire, Scientific American, 9 Aug. 2024
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Word History
First Known Use
circa 1771, in the meaning defined above
Time Traveler
The first known use of mucous membrane was
circa 1771
Dictionary Entries Near mucous membrane
Cite this Entry
“Mucous membrane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mucous%20membrane. Accessed 26 Nov. 2024.
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 membraneMore from Merriam-Webster on mucous membrane
Britannica English: Translation of mucous membrane for Arabic Speakers
Britannica.com: Encyclopedia article about mucous membrane
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