Definition of epithelium

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Epithelium (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..

Lern More About Epithelium

Squamaceous :: Squama (n.) A scale cast off from the skin; a thin dry shred consisting of epithelium.
Mesothelium :: Mesothelium (n.) Epithelial mesoderm; a layer of cuboidal epithelium cells, formed from a portion of the mesoderm during the differetiation of the germ layers. It constitutes the boundary of the c/lum..
Subequal :: Subepithelial (a.) Situated under the epithelium.
Purpurogenous :: Purpurogenous (a.) Having the power to produce a purple color; as, the purpurogenous membrane, or choroidal epithelium, of the eye. See Visual purple, under Visual..
Epithelium :: Epithelium (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..
Lipochrin :: Lipochrin (n.) A yellow coloring matter, soluble in ether, contained in the small round fat drops in the retinal epithelium cells. It is best obtained from the eyes of frogs..
Ecteron :: Ecteron (n.) The external layer of the skin and mucous membranes; epithelium; ecderon.
Epithelial :: Epithelial (a.) Of or pertaining to epithelium; as, epithelial cells; epithelial cancer..
Myeloidin :: Myeloidin (n.) A substance, present in the protoplasm of the retinal epithelium cells, and resembling, if not identical with, the substance (myelin) forming the medullary sheaths of nerve fibers..
Epithelioid :: Epithelioid (a.) Like epithelium; as, epithelioid cells..
Endothelium :: Endothelium (n.) The thin epithelium lining the blood vessels, lymphatics, and serous cavities. See Epithelium..
Myoepithelial :: Myoepithelial (a.) Having the characteristics of both muscle and epithelium; as, the myoepithelial cells of the hydra..
Stigma :: Stigma (v. t.) A small spot, mark, scar, or a minute hole; -- applied especially to a spot on the outer surface of a Graafian follicle, and to spots of intercellular substance in scaly epithelium, or to minute holes in such spots..
Corium :: Corium (n.) The deep layer of mucous membranes beneath the epithelium.
Tubule :: Tubule (n.) A minute tube lined with glandular epithelium; as, the uriniferous tubules of the kidney..
Ciliated :: Ciliated (a.) Provided with, or surrounded by, cilia; as, a ciliate leaf; endowed with vibratory motion; as, the ciliated epithelium of the windpipe..
Tapetum :: Tapetum (n.) An area in the pigmented layer of the choroid coat of the eye in many animals, which has an iridescent or metallic luster and helps to make the eye visible in the dark. Sometimes applied to the whole layer of pigmented epithelium of the choroid..
Fuscin :: Fuscin (n.) A brown, nitrogenous pigment contained in the retinal epithelium; a variety of melanin..
Epitheliums :: Epitheliums (pl. ) of Epitheliu.
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