One of the simplest types of tissues. A sheet of cells, one or several layers thick, organized above a basal lamina (see basement membrane), and often specialized for mechanical protection or active transport. Examples include skin, and the lining of lungs, gut and blood vessels.
The layers of cells that make up the surfaces of the body, such as skin and linings of the interior openings of the body (mouth, upper respiratory tract, gastrointestinal tract, genitourinary tract).
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
a layer of cells which forms alining for a tube or the covering for an organ or the whole body.
Found on http://www.eclipse.co.uk/moordent/page5.html
- membranous tissue covering internal organs and other internal surfaces of the bodyFound on http://www.webdictionary.co.uk/definition.php?query=epithelium
A tissue lining a body surface, e.g. the lungs.
Found on http://www.felpress.co.uk/Exercise_Physiology_Glossary.24.0.html
the layer of cells that covers the body and lines many organs Found on http://www.medichecks.com/glossary.cfm?ltr=E
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.elekta.com/patient_international_medical_terms.php
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: 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
, 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
<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...Found on http://www.mondofacto.com/facts/dictionary?epithelium
epithelial tissue noun
membranous tissue covering internal organs and other internal surfaces of the bodyFound on http://wordnetweb.princeton.edu/perl/webwn?s=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
• (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...Found on http://thinkexist.com/dictionary/meaning/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
(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.Found on http://users.ugent.be/~rvdstich/eugloss/DIC/dictio31.html
- a layer of cells which forms alining for a tube or the covering for an organ or the whole body.Found on http://www.eclipse.co.uk/moordent/page5.html
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 (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 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
Type: Term Pronunciation: ep′i-thē′lē-ŭm, -ă Definitions: 1. The purely cellular avascular layer covering all free surfaces, cutaneous, mucous, and serous, including the glands and other structures derived therefrom.Found on http://www.medilexicon.com/medicaldictionary.php?t=29952
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In 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
Cellular covering of the internal and external surfaces of the bodyFound on http://www.thehorse.com/Glossary.xhtml?L=E
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?
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