umbilical vesicle

n.

yolk sac

Nearby words

  1. uridylic acid,
  2. uriel,
  3. urim and thummim,
  4. urin-,
  5. urinal,
  6. urinant,
  7. urinary,
  8. urinary bladder,
  9. urinary calculus,
  10. urinary nitrogen


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