Canadian Medical Guide > Anatomy > Digestive System > Gastrointestinal Tract > Intestines > Intestinal Mucosa Terms and Definitions

Intestinal Mucosa

Medical Definition:	The innermost membrane of the four coats of the intestinal wall, the other three being the submucosa, muscular layers, and serosa. (Berk et al., Gastroenterology, 4th ed, v.3, p1479)
Guide Notes:	/cytol: consider also PEYER'S PATCHES; /secret = INTESTINAL MUCOSA /secret or INTESTINAL SECRETIONS but not INTESTINES /secret; for X ref INTESTINAL EPITHELIUM, do not coord with EPITHELIUM unless particularly discussed or contrasted with BASEMENT MEMBRAN
Also Called:	Intestinal Epithelium

Intestinal Mucosa Categories.

	Enterocytes - Terminally differentiated cells comprising the majority of the external surface of the intestinal epithelium (see INTESTINAL MUCOSA). Unlike GOBLET CELLS, they do not produce or secrete mucins, nor do they secrete cryptdins as do the PANETH CELLS.
	Goblet Cells - Cells of the epithelial lining that produce and secrete mucins.
	Paneth Cells - Epithelial cells found in the basal part of the intestinal glands (crypts of Lieberkuhn). Paneth cells synthesize and secrete lysozyme and cryptdins.

Intestinal Mucosa Medical Definitions and Terms

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