| 释义 |
excitotoxin
ex·ci·to·tox·in E5273350 (ĭk-sī′tə-tŏk′sĭn)n. 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.excitotoxin
excitotoxin (ĭk-sī′tə-tŏk′sĭn)n. 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.
ex·ci′to·tox′ic (ĭk-sī′tə-tŏk′sĭk) adj.excitotoxin (ĕk-sī″tō-tŏks′ĭn) A neurotransmitter (e.g., glutamate or aspartate) that can cause brain cell injury or death if its action is unabated. Brain damage is mediated by excitotoxins during prolonged seizure activity and stroke. |