|
Medical Definition of Cerithidea
1. A genus of marine and brackish water operculate (prosobranch) snails that serve as first intermediate hosts of a number of trematodes. Cerithidea cingulata serves as host for Heterophyes heterophyes in Japan and Southeast Asia; Cerithidea scalariformis for cercariae that induce swimmer's itch in the southeastern U.S. From Florida to Texas. (05 Mar 2000)