dihydropteroic acid

[ dī-hī′drō-tə-rōĭk ]

n.

An intermediate formed during the biosynthesis of folic acid; its formation is inhibited by sulfonamides.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.