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p-aminosalicylic acid(PAS) (PASA) [ah-me″no-sal-ĭ-sil´ik]
an analogue of p-aminobenzoic acid that inhibits folic acid synthesis in Mycobacterium tuberculosis, used in the treatment of tuberculosis, administered orally. In pharmacy it is officially called aminosalicylic acid. It enhances the potency of streptomycin and delays the development of bacilli resistant to streptomycin. Gastrointestinal irritation accompanied by anorexia, nausea, and vomiting may be reduced by administering the drug with food at mealtime.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Farlex Partner Medical Dictionary © Farlex 2012
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
Parent Attitude Scale
parental alienation syndrome
patient accounting system
Patient Administration System (Medpeak-UK)
Performance Appraisal System
periodic acid-Schiff (stain)
Personality Assessment Scale
Polish Amiodarone Study
positron annihilation spectroscopy
posterior airway space
primary antiphospholipid syndrome
progressive accumulated stress
public address system
pulmonary artery stenosis
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
1. Periodic acid-Schiff–stain, see there.
2. Para-aminosalicylic acid.
3. Pulmonary artery stenosis.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
Abbreviation for periodic acid-Schiff stain.
Medical Dictionary for the Dental Professions © Farlex 2012