hemoglobin H disease

n.
  1. An inherited disease characterized by moderate anemia and red blood cell abnormalities, with red blood cells containing Bart's hemoglobin being replaced by cells containing hemoglobin H.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.