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. Many glands are made up of epithelial cells. Functions of epithelial cells include secretion, selective absorption, protection, transcellula...
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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 te...
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epithelium

<pathology> The covering of internal and external surfaces of the body, including the lining of vessels and other small cavities. It consists of cells joined by small amounts of cementing substances. Epithelium is classified into types on the basis of the number of layers deep and the shape of the superficial cells. ... Origin: Gr. Thel = nip...
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epithelium

(ep″ĭ-the´le-әm) pl. epithe´lia the cellular covering of internal and external surfaces of the body, including the lining of vessels and other small cavities. It consists of cells joined by small amounts of cementing substances. Epithelium is classified into types on the basis of the number of laye...
Found on http://www.encyclo.co.uk/local/21001

epithelium

(epi- + Gr. thl nipple) (NA) the covering of internal and external surfaces of the body, including the lining of vessels and other small cavities. It consists of cells joined by small amounts of cementing substances. Epithelium is classified into types on the basis of the number of layers deep and the shape of the superficial cells.
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Epithelium

- a layer of cells which forms alining for a tube or the covering for an organ or the whole body.
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epithelium

epithelial tissue noun membranous tissue covering internal organs and other internal surfaces of the body
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epithelium

Click images to enlargeIn animals, tissue of closely packed cells that forms a surface or lines a cavity or tube. Epithelial cells line the inside surfaces of fluid or air-filled tubes and spaces within the body. Epithelium may be protective (as in the skin) or secretory (as in the cells lining the wall of the gut). E...
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0039188.html

Epithelium

Ep`i·the'li·um noun ; plural English Epitheliums , Latin Epithelia . [ New Latin , from Greek '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 lymph...
Found on http://www.encyclo.co.uk/webster/E/58

epithelium

A basic type of tissue
Found on http://www.quick-facts.co.uk/medicene/anatomy.htm

Epithelium

A closely packed sheet of cells arranged in one or more layers, the component cells of which usually adhere to each other along their edges and surfaces.
Found on http://www.gadsbywicks.co.uk/uploaded/3822.pdf

Epithelium

a layer of cells which forms alining for a tube or the covering for an organ or the whole body.
Found on http://www.encyclo.co.uk/local/20169

epithelium

A layer or sheet of cells that lines a body cavity; they show an unusually high cell-turnover rate. Epithelial cells are held together by a small amount of cementing substance. The outer covering of the body (the skin), the lining of the gut and other organs, such as the lungs and blood vessels, and...
Found on http://www.daviddarling.info/encyclopedia/E/epithelium.html

epithelium

A thin layer of tissue that covers organs, glands, and other structures within the body.
Found on http://www.cancer.gov/dictionary?expand=E

Epithelium

A tissue lining a body surface, e.g. the lungs.
Found on http://www.felpress.co.uk/Exercise_Physiology_Glossary.24.0.html

epithelium

Cellular covering of the internal and external surfaces of the body
Found on http://www.thehorse.com/Glossary.xhtml?L=E

Epithelium

Cellular layer covering body surfaces which directly or indirectly has a contact with the surface of the body or has had contact during embryonic development (skin, gastrointestinal tract, urinary tract, respiratory tract, CNS).
Found on http://www.encyclo.co.uk/local/20892

epithelium

epithelium (ep"uthē'lēum) , sheet of tissue that covers or lines the external and internal body surfaces. The epithelium is closely packed, has little intercellular material, and is lacking in blood vessels. There are three characteristic types of epithelial cells: squamous, cubo...
Found on http://www.infoplease.com/ce6/sci/A0817511.html

Epithelium

Epithelium is an anatomical term for a basic type of bodily tissue. It comprises the external surface of the skin, the internal surfaces of the digestive, respiratory and urogenital systems, the closed serous cavities, the inner coats of the vessels, the acini and ducts of the secreting and excreting glands, the ventricles of the brain and the cent...
Found on http://www.probertencyclopaedia.com/browse/EE.HTM

Epithelium

Epithelium: The outside layer of cells that covers all the free, open surfaces of the body including the skin, and mucous membranes that communicate with the outside of the body. By contrast the endothelium is the layer of cells lining the closed internal spaces of the body such as the blood vessels and lymphatic vessels (that convey the lymph, a m...
Found on http://www.medterms.com/script/main/art.asp?articlekey=3293

epithelium

Greek epi = upon, and thele = the nipple; the cell layer lining the internal and external surfaces of the body.
Found on http://www.anatomy.usyd.edu.au/glossary/glossary.cgi?

epithelium

in anatomy, layer of cells closely bound to one another to form continuous sheets covering surfaces that may come into contact with foreign ... [15 related articles]
Found on http://www.britannica.com/eb/a-z/e/37

epithelium

Layer of cells which lines a body cavity; cells may be ciliated or unciliated, and may be squamous (flat, scale-shaped), cuboidal (cube-shaped), or columnar (column-shaped). Your stomach and cheeks are lined with epithelium.
Found on http://www.ucmp.berkeley.edu/glossary/gloss7metazoa.html

epithelium

Layer of cells which lines a body cavity; cells may be ciliated or unciliated, and may be squamous (flat, scale-shaped), cuboidal (cube-shaped), or columnar (column-shaped). Your stomach and cheeks are lined with epithelium.
Found on http://www.ucmp.berkeley.edu/glossary/glossary_7.html

Epithelium

membranous tissue that forms a continuous layer covering internal or external surfaces of multicellular organisms.
Found on http://bugs.bio.usyd.edu.au/learning/resources/Entomology/glossary.html
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