margin

margin definition - medical

mar·gin (märˈjĭn)

noun
  1. A border or edge, as of an organ.
  2. A limit in a condition or process, beyond or below which something is no longer possible or acceptable.
  3. An amount that is allowed but that is beyond what is needed.
  4. A measure, quantity, or degree of difference.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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