tetanospasmin

noun

tet·a·no·spas·min | \ ˌtet-ᵊn-ō-ˈspaz-mən

How to pronounce tetanospasmin (audio)

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Medical Definition of tetanospasmin

: a crystalline unstable neurotoxin produced by the tetanus bacillus and held to be the cause of the tetanic convulsions of tetanus

— called also tetanus toxin