excitotoxin(redirected from Excitotoxicity)
Also found in: Medical, Wikipedia.
Related to Excitotoxicity: excitotoxins
Any of a group of neurologically active compounds, including glutamate and aspartame, that in high concentrations have detrimental excitatory effects on the central nervous system and may cause injury to nerve cells.
[excit(atory) + toxin.]
ex·ci′to·tox′ic (ĭk-sī′tə-tŏk′sĭk) adj.