Gonyaulax catanella

[gŏn′ē-ôlăks′ kăt′ə-nĕlə]

n.

A marine dinoflagellate protozoan that produces a powerful toxin that accumulates in the tissues of mussels and other filter-feeding shellfish; it may cause fatal poisoning in humans who have eaten contaminated shellfish.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.