A 36-year-old male asked:
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What is the definition or description of: Muscle atrophy?

1 doctor answer
Dr. David Bailie
30 years experience in Orthopedic Surgery
See below: muscle that loses bulk and size many causes
Answered on Nov 12, 2016

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Dr. Philip Miller
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Yes: not uncommon.
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Dr. James Eitner
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It is no longer used: If the nerve is severed, it is no longer sending signals to the muscle to contract. Without these signals, the muscle shrinks in size (atrophies) fro ... Read More
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Dr. Will Moorehead
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Dr. Julian Bragg
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Decreased bulk: Muscle atrophy is shrinking of the muscle, leading to a wasted appearance. It can be due to muscle disease, nerve damage, malnutrition, or simple dis ... Read More
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