kainic acid

noun
kai·​nic acid | \ˌkī-nik-, ˌkā- \

Medical Definition of kainic acid 

: an excitatory neurotoxin C10H15NO4 that is a glutamate analog originally isolated from a dried red alga (Digenia simplex), that binds selectively to a subset of glutamate receptors which serve as ligand-gated ion channels on neurons, and that is used as an anthelmintic and experimentally to induce seizures and neurodegeneration in laboratory animals

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