Medical Dictionary
p-aminobenzoic acid (PABA)
Pronunciation (ă-mē′nō-ben-zō′ik as′id)
- 4-aminobenzoic acid, a factor in the vitamin B complex, required for biosynthesis of folate; neutralizes the bacteriostatic effects of the sulfonamides because it furnishes an essential growth factor for bacteria; elevated concentrations of the sulfonamides interfere with use of this agent and of folates; used as an ultraviolet screen in lotions and creams. It is produced in a test of pancreatic function.
Syn: paraaminobenzoic acid, vitamin Bx
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Stedman’s Medical Dictionary 28th Edition, Copyright© 2006_Lippincott Williams & Wilkins. All rights reserved.



