Definitions for epithelium
ˌɛp əˈθi li əm; -li əep·ithe·li·um

Princeton's WordNetRate this definition:0.0 / 0 votes

1. epithelium, epithelial tissuenoun

   membranous tissue covering internal organs and other internal surfaces of the body

WiktionaryRate this definition:0.0 / 0 votes

1. epitheliumnoun

   A membranous tissue composed of one or more layers of cells which forms the covering of most internal and external surfaces of the body and its organs; internally including the lining of vessels and other small cavities, and externally being the skin.

2. Etymology: Modern epithelium, from ἐπί + θηλή.

WikipediaRate this definition:0.0 / 0 votes

1. Epithelium

   Epithelium () is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous tissue. Epithelial tissues line the outer surfaces of organs and blood vessels throughout the body, as well as the inner surfaces of cavities in many internal organs. An example is the epidermis, the outermost layer of the skin. There are three principal shapes of epithelial cell: squamous, columnar, and cuboidal. These can be arranged in a single layer of cells as simple epithelium, either squamous, columnar, or cuboidal, or in layers of two or more cells deep as stratified (layered), or compound, either squamous, columnar or cuboidal. In some tissues, a layer of columnar cells may appear to be stratified due to the placement of the nuclei. This sort of tissue is called pseudostratified. All glands are made up of epithelial cells. Functions of epithelial cells include secretion, selective absorption, protection, transcellular transport, and sensing. Epithelial layers contain no blood vessels, so they must receive nourishment via diffusion of substances from the underlying connective tissue, through the basement membrane. Cell junctions are well employed in epithelial tissues.

ChatGPTRate this definition:0.0 / 0 votes

1. epithelium

   Epithelium is a type of tissue composed of one or more layers of cells that covers the surfaces of the body, lines internal cavities, forms glands, and performs various functions including protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception.

Webster DictionaryRate this definition:0.0 / 0 votes

1. Epitheliumnoun

   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

2. Etymology: [NL., fr. Gr. 'epi` upon + nipple.]

WikidataRate this definition:0.0 / 0 votes

1. Epithelium

   Epithelium is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous tissue. Epithelial tissues line the cavities and surfaces of structures throughout the body, and also form many glands. Functions of epithelial cells include secretion, selective absorption, protection, transcellular transport and detection of sensation. In Greek "ἐπί" means "on" or "upon", and "θηλή" means "nipple". Epithelial layers are avascular, so they must receive nourishment via diffusion of substances from the underlying connective tissue, through the basement membrane. Epithelia can also be organized into clusters of cells that function as exocrine and endocrine glands.

Chambers 20th Century DictionaryRate this definition:0.0 / 0 votes

1. Epithelium

   ep-i-thē′li-um, 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. [Gr.,—epi, upon, thēlē, nipple.]

U.S. National Library of MedicineRate this definition:0.0 / 0 votes

1. Epithelium

   One or more layers of EPITHELIAL CELLS, supported by the basal lamina, which covers the inner or outer surfaces of the body.

EntomologyRate this definition:0.0 / 0 votes

1. Epithelium

   the layer of cells which covers a surface or lines a cavity.

Usage in printed sourcesFrom: 

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How to pronounce epithelium?

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How to say epithelium in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of epithelium in Chaldean Numerology is: 6

2. Pythagorean Numerology

   The numerical value of epithelium in Pythagorean Numerology is: 1

Popularity rank by frequency of use

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=epithelium
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Epithelium
3. ^ Wikipedia
   https://en.wikipedia.org/wiki/Epithelium
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Webster Dictionary
   https://www.merriam-webster.com/dictionary/epithelium
6. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=epithelium
7. ^ Chambers 20th Century Dictionary
   https://www.gutenberg.org/files/37683/37683-h/37683-h.htm#:~:text=epithelium
8. ^ Entomology
   https://www.gutenberg.org/files/22748/22748-h/22748-h.htm#:~:text=epithelium
9. ^ Usage in printed sources
   https://books.google.com/ngrams/graph?content=epithelium