opisthorchiasis

[ŏp′ĭs-thôr-kīə-sĭs, ō-pĭs′thôr-]
n.
  1. Infection of the biliary tract with trematodes of the genus Opisthorchis, caused by ingesting raw or inadequately cooked fish infected with the parasites.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.