Epithelium

[,epi'θi:liәm]

Definition

(noun.) membranous tissue covering internal organs and other internal surfaces of the body.

Typist: Lucas--From WordNet

Definition

(n.) The superficial layer of cells lining the alimentary canal and all its appendages, all glands and their ducts, blood vessels and lymphatics, serous cavities, etc. It often includes the epidermis (i. e., keratin-producing epithelial cells), and it is sometimes restricted to the alimentary canal, the glands and their appendages, -- the term endothelium being applied to the lining membrane of the blood vessels, lymphatics, and serous cavities.

Editor: Lucia

Definition

n. the cell-tissue which invests the outer surface of the body and the mucous membranes connected with it and also the closed cavities of the body.—adj. Epithē′lial.—n. Epitheliō′ma carcinoma of the skin.—adj. Epitheliom′atous.

Inputed by Clara