excitotoxic

adjective
ex·​ci·​to·​tox·​ic | \ ik-ˌsīt-ə-ˈtäk-sik \

Medical Definition of excitotoxic 

: being, involving, or resulting from the action of an agent that binds to a nerve cell receptor, stimulates the cell, and damages it or causes its death excitotoxic damage to cortical interneurons— R. C. Collins et al

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