例句與造句

1. glutamate ( glu ) is one of the major excitatory neurotransmitter in the central nervous system . the excitotoxicity resulting from overactivation of glutamate receptors is one of the most extensively studied processes of neuronal cell death, and plays an important role in many central nervous system diseases
   谷氨酸(glu)是一種重要的興奮性神經遞質，過量的glu釋放所致的興奮性神經毒性在多種中樞神經系統(tǒng)損傷發(fā)生發(fā)展中的作用已受到廣泛重視。
2. excitotoxicity, associated with stroke and neurodegeneration, is triggered primarily by massive ca2 + influx arising from overactivation of glutamate receptor channels of the n-methyl-d-aspartate ( nmda ) subtype . although approaches to treatment of these disorders with antagonists of nmda receptor ( nr ) have been testified to be effective in animal models, successful therapy in humans was limited by the severe side effects of complete nr blockade for their space window and time window
   已有的nr受體拮抗劑或阻斷劑均為人工合成的小分子藥物，能彌散通過血腦屏障(空間窗過大)，作用選擇性低，病變腦區(qū)及非病變腦區(qū)都會受到影響，而且由于神經元可逆性損害的“時間窗”極短，人們難以適時使用有效的神經保護藥物，這些均導致已有的藥物難以進入臨床。
3. It's difficult to find overactivation in a sentence. 用overactivation造句挺難的