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deficiency symptom in Medicine

deficiency symptom

n.
  1. A symptom caused by the lack of a substance, such as an enzyme or a vitamin, that is necessary for normal structure and function of an organism.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.