Dictionary » A » 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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Bio Research Paper Writing

... 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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by NathanielZhu
Thu Apr 04, 2013 2:25 am
Forum: General Discussion
Topic: Bio Research Paper Writing
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Podcast: Spinal Muscular Atrophy and oligos

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by jonmoulton
Tue Feb 14, 2012 6:31 pm
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Topic: Podcast: Spinal Muscular Atrophy and oligos
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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
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 563
Views: 1135287

Adiposity and Disease

... serum levels of insulin create a condition in which our adipose tissue acquires an advantage over other tissues and organs leading to disease and atrophy?

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by Don
Mon May 23, 2011 6:20 pm
Forum: Human Biology
Topic: Adiposity and Disease
Replies: 2
Views: 3091

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
Forum: General Discussion
Topic: Why does muscle atrophy?
Replies: 7
Views: 2630
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