Schistosoma

[shĭs′tə-sōmə, skĭs′-]
n.
  1. A genus of digenetic trematodes that includes the blood flukes of humans and domestic animals that cause schistosomiasis.Bilharzia
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.