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Atrophy

Atrophy

(Science: pathology) a wasting Away, a diminution in the size of a cell, tissue, organ or part.

Origin: L., gr. Atrophia a decrease in size of an organ caused by disease or disuse.Any weakening or degeneration (especially through lack of use).Undergo atrophy; Muscles that are not used will atrophy.The reduction in size of tissue or organ, possibly after disease. For example when breaking an arm, the arm is temporarily put in a cast for the bone to heal in position. In light of this, many of the muscles in the arm lay unused for a period of time, and begin to waste away due to their redundancy.


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... types. This problem of thymus involution is also forcibly induced by viruses as a means of evading detection by the immune system. There is severe atrophy of the thymus in adult BALC/c mice infected by the mouse hepatitis virus A59 (Thymus-Involution np). This induced thymus involution by viruses ...

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Thu Apr 04, 2013 2:25 am
 
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Re: Theories - Origin of Life

... against functional design. If they are vestigial then they must have had a use initially, therefore this is an argument for degeneration or atrophy, not one against design. It seems you don’t fully understand the nature of this argument. 5) According to Darwinian theory Natural selection ...

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by scottie
Fri Dec 23, 2011 3:39 pm
 
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Topic: Theories - Origin of Life
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Adiposity and Disease

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by Don
Mon May 23, 2011 6:20 pm
 
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Topic: Adiposity and Disease
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Why does muscle atrophy?

I think i can guess why this happens, but i'd like a profesional opinion: why exactly does muscle atrophy when not used for a long time (for example, in a comatose patient)?

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by TheVirus
Sat Nov 28, 2009 2:11 am
 
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