allantoin

Medical Dictionary

allantoin al·lan·to·in (ə-lān'tō-ĭn)
n.

  1. A substance present in allantoic fluid, amniotic fluid, and fetal urine.

  2. A crystalline oxidation product of uric acid produced in vertebrate purine metabolism and used medicinally to promote tissue growth.

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