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Encyclopedia > Mucosa

The mucous membranes (or mucosa) are linings of ectodermic origin, covered in epithelium, that line various body cavities and internal organs. It is at several places continuous with skin: at the nostrils, the lips, the ears, the genitourinary area, and the anus. The viscid secretion of the mucous membranes is termed mucus (note the spelling difference).

Body cavities featuring mucous membrane include most of the respiratory tract, the entire gastrointestinal tract, including the rectum, the urethra, and various other organs. In addition, the vagina, the clitoris, the covering of the glans penis (head of the penis) and the inside of the prepuce (foreskin) is mucous membrane, not skin.

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  Results from FactBites:
Erogenous Tissue Loss after Circumcision (2324 words)
The mucosa between the cut-skin edge and corona of glans was stretched and flattened and contrasted sharply with the lax mucosa normally seen at this location (Fig.
Transilluminated mucosa indicating the intense vascularity and prominence of the ridges of the `ridged band'.
Preputial mucosa also lacks the dense collagenous zone seen in most areas of true (skin) dermis and, again unlike true skin of the penile shaft and outer surface of the prepuce, the mucosal surface of the prepuce is completely free of lanugo hair follicles, sweat and sebaceous glands.
Mucosa (126 words)
Mucosa is moist tissue that lines particular organs and body cavities throughout the body, including your nose, mouth, lungs, and gastrointestinal tract.
Glands along the mucosa secrete mucus (a thick fluid).
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition.
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