目的:观察血小板源性生长因子b (PDGF - B)在损伤大鼠坐骨神经中的表达,旨在阐明其在末梢神经再生中的作用。
Objective to observe the role of platelet-derived growth factor-B (PDGF-B) in the regeneration of peripheral nerve by studying its expression on injured rat sciatic nerves.
这个部位布满了神经末梢,在敲打的时候能够降低血压和心率,达到缓解情绪的效果。
This area is rich with nerve endings that, when stroked, reduce blood pressure, lower the heart rate, and calm the individual down.
近日耶鲁大学研究小组通过研究小白鼠发现,有些小鼠的神经末梢在发送“吃饱”信号方面要比其他小鼠慢一些。
The team at Yale University found that in rats some have nerve endings which are more sluggish at signaling when your stomach is full than others.
This process, which is shown schematically here, as a vesicle fusing with the cell membrane and then dropping its neurotransmitter only happens when an action potential reaches the end of the axon.
这一过程 扼要地展示在这里,小泡同细胞膜融合,释放其神经递质,这只发生在动作电位抵达轴突末梢时
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