单词 | excitotoxin |
释义 | ex·ci·to·tox·in ![]() 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·cito·tox′ic (ĭk-sītə-tŏk′sĭk) adj. |
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