Dictionary » E » Epithelium

Epithelium

Definition

noun, plural: epithelia

A membranous animal tissue made up of one or more layers of cells closely packed together and serves as a covering of internal and external surfaces of the body, including bodily cavities and vessels


Supplement

Epithelium is one of the major types of animal tissues. Aside from its protective role, it is also involved in secretion, regulation, and absorption. Epitelium may be classified based on the shape of its cells and on the number of layers it is made up of.


Word origin: Greek epi (on, atop) + Greek thele (nipple)

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Results from our forum


Re: Re:

... the fast-dividing cells of the hair follicle become so damaged that the hair falls off and they have gastrointestinal problems, because the gut epithelium gets damaged in the treatment. Radiotherapy is typically aimed to a very precise area (where the tumor is) and this helps to save the other ...

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by Ahsmeah
Tue Feb 05, 2013 10:10 pm
 
Forum: Physiology
Topic: Cancer = Mutation: Stopping Mutation Would Cure Cancer?
Replies: 6
Views: 10965

Re: Re:

... the fast-dividing cells of the hair follicle become so damaged that the hair falls off and they have gastrointestinal problems, because the gut epithelium gets damaged in the treatment. Radiotherapy is typically aimed to a very precise area (where the tumor is) and this helps to save the other ...

See entire post
by biohazard
Tue Feb 05, 2013 1:23 pm
 
Forum: Physiology
Topic: Cancer = Mutation: Stopping Mutation Would Cure Cancer?
Replies: 6
Views: 10965

cellular mechanisms that result in symptoms of cholera

... B), connected by a disulfide bond. The five B subunits form a five-membered ring that binds to GM1 gangliosides on the surface of the intestinal epithelium cells. The A1 portion of the A subunit is an enzyme that ADP-ribosylates G proteins, while the A2 chain fits into the central pore of the ...

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by adithya528
Tue Dec 11, 2012 1:49 pm
 
Forum: Cell Biology
Topic: cellular mechanisms that result in symptoms of cholera
Replies: 4
Views: 5226

Things that cause cancer (in modern humans who live longer)

... mutations in older parents is not linked to eating red meat. What comes to the increased cancer risk red meat, as far as I know, affects the gut epithelium and mostly increases the cancer rate in the lower digestive tract. However, mutations happening in the gut do not get passed on to the children, ...

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by biohazard
Wed Oct 31, 2012 11:05 am
 
Forum: Evolution
Topic: Things that cause cancer (in modern humans who live longer)
Replies: 4
Views: 4007

Amoeba Culturing

... for years in one of the few labs that dealth with this. It's a very common ameba, but extremely rare pathogen - even with access to the olfactory epithelium. Humans are not a good ecosystem for them - we used to culture pathogens in mice, which are very susceptible.

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by Darby
Tue Aug 07, 2012 1:52 am
 
Forum: Microbiology
Topic: Amoeba Culturing
Replies: 10
Views: 8298
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