origin

origin definition - medical

or·i·gin (ôrˈə-jĭn)

noun
  1. The point at which something comes into existence or from which it derives or is derived.
  2. The fact of originating; rise or derivation.
  3. The point of attachment of a muscle that remains relatively fixed during contraction.
  4. The starting point of a cranial or spinal nerve.

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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