hemorrhagic endovasculitis

n.
  1. Endothelial and medial hyperplasia of placental blood vessels with thrombosis, fragmentation, and diapedesis of red blood cells resulting in stillbirth or fetal developmental disorders.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.