thrombocytopenia-absent radius syndrome

n.
  1. Congenital absence of the radius accompanied by thrombocytopenia and sometimes by congenital heart disease and renal anomalies.TAR syndrome
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.