Definitions for mucous membrane
Random House Webster's College Dictionary
a mucus-secreting membrane lining all bodily passages that are open to the air, as parts of the digestive and respiratory tracts.
Origin of mucous membrane:
mucous membrane, mucosa(noun)
mucus-secreting membrane lining all body cavities or passages that communicate with the exterior
A membrane which secretes mucus. It forms the lining of various body passages that communicate with the air, such as the respiratory, genitourinary, and alimentary tracts including the mouth, nasal passages, vagina and urethra.
The Nuttall Encyclopedia
a delicate membrane which lines the cavities and the canals of the human body.
U.S. National Library of Medicine
An EPITHELIUM with MUCUS-secreting cells, such as GOBLET CELLS. It forms the lining of many body cavities, such as the DIGESTIVE TRACT, the RESPIRATORY TRACT, and the reproductive tract. Mucosa, rich in blood and lymph vessels, comprises an inner epithelium, a middle layer (lamina propria) of loose CONNECTIVE TISSUE, and an outer layer (muscularis mucosae) of SMOOTH MUSCLE CELLS that separates the mucosa from submucosa.
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