Ask-Upmark kidney

[ăskŭpmärk]
n.
  1. A kidney disorder characterized by renal hypoplasia with decreased lobules and deep transverse grooving of the cortical surfaces of the organ.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.