[ dī-kē′tō-pī-pĕr′ə-zēn′ ]
A cyclic dipeptide formed by the dehydration of two molecules of glycine.
Any of various cyclic organic compounds formed by the dehydration of alpha-amino acids other than glycine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.