kynurenic acid

[kĭn′yu-rē′nĭk, -rĕn′ĭk, kīn′-]

n.

A crystalline acid occurring in the urine as a product of the metabolism of tryptophan.

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