back

back definition - medical

back (băk)

noun
  1. The posterior portion of the trunk of the human body between the neck and the pelvis; the dorsum.
  2. The backbone or spine.

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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