internal

internal definition - medical

in·ter·nal (ĭn-tûrˈnəl)

adjective
  1. Located, acting, or effective within the body.
  2. Of, relating to, or located within the limits or surface; inner.

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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