Medical Term:

Cerithidea

Pronunciation: ser′i-thid′ē-ă

Definition: 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 induces swimmer's itch in the southeastern U.S. from Florida to Texas.

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