A genus of opisthorchid trematodes found in the bile ducts of mammals, birds, and reptiles; probably transmitted by fish. ... Origin: amphi-+ G. Meros, segment ... (05 Mar 2000) ... 
Type: Term Pronunciation: am-fim′er-ŭs Definitions: 1. A genus of opisthorchid trematodes found in the bile ducts of mammals, birds, and reptiles; probably transmitted by fish.