tetrodotoxin

noun Pharmacology.

1. a neurotoxin, C11H17N3O3, occurring in a species of puffer fish: ingestion of the toxin is usually rapidly fatal due to heart failure or asphyxiation; used experimentally to block impulse conduction potential in excitable cells.

noun

1. a highly lethal neurotoxin found in certain puffer fish and in newts of the genus Taricha . Formula: C 11 H 17 N 3 O 3

n.

1. A potent neurotoxin, found in many puffer fish and certain newts.