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tunica externa

[ ĭk-stûr′nə ]

n.

The outer of two or more enveloping layers of any structure, especially the fibroelastic coat of a blood or lymph vessel.

Nearby words

  1. tunic,
  2. tunica,
  3. tunica adventitia,
  4. tunica albuginea,
  5. tunica conjunctiva,
  6. tunica fibrosa,
  7. tunica intima,
  8. tunica media,
  9. tunica mucosa,
  10. tunica muscularis
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.