vestigial organ

n.

A rudimentary structure in humans corresponding to a functional structure or organ in ancestral animals.

Nearby words

  1. vestibulospinal reflex,
  2. vestibulotomy,
  3. vestibulum,
  4. vestige,
  5. vestigial,
  6. vestigium,
  7. vestimentiferan,
  8. vesting,
  9. vestmannaeyjar,
  10. vestment


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.