[ hī′drō-pī′ō-nə-frō′sĭs ]
The accumulation of purulent urine in the pelvis and calices of the kidneys, usually the result of bacterial infection following obstruction of the ureter.
Words nearby hydropyonephrosis
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.