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Reference Terms
from Wikipedia, the free encyclopedia

Mucous membrane

The mucous membranes (or mucosae; singular: mucosa) are linings of ectodermic origin, covered in epithelium, and are involved in absorption and secretion.

They line various body cavities that are exposed to the external environment and internal organs.

The sticky, thick fluid secreted by the mucous membranes and gland is termed mucus.

The term 'mucous membrane' refers to where they are found in the body and not every mucous membrane secretes mucus.

Note:   The above text is excerpted from the Wikipedia article "Mucous membrane", which has been released under the GNU Free Documentation License.
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February 21, 2017

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updated 12:56 pm ET