[ zăn′thə-rĕn′ĭk, zănth′yə- ]
A yellow crystalline phenolic acid excreted in the urine of pyridoxine-deficient test animals that have been fed a diet containing additional tryptophan.
Y.E.S: These Words Are AcronymsMaybe you already knew RADAR actually stands for "radio detecting and ranging," but what about these other acronyms hiding in your everyday speech?
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.