Meaning of EPITHELIUM
Pronunciation: | | `epu'theeleeum
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WordNet Dictionary |
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| Definition: | | [n] membranous tissue covering internal organs and other internal surfaces of the body |
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| Synonyms: | | epithelial tissue |
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| See Also: | | animal tissue, decidua, endothelium, epithelial cell, mesothelium, neuroepithelium | |
Webster's 1913 Dictionary |
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| Definition: | | \Ep`i*the"li*um\, n.; pl. E. {Epitheliums}, L.
{Epithelia}. [NL., fr. Gr. 'epi` upon + ? nipple.] (Anat.)
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.
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Medical Dictionary |
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| Definition: | | A thin layer of tissue that covers organs, glands, and other structures within the body. |
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Biology Dictionary |
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| Definition: | | The covering of an organism or an organ. The layer(s) of cells between the organism or its tissues or organs and the environment. Examples include the skin cells, the inner linings of the lungs and the digestive tract, etc. |
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