We used ethanol at different concentrations for the sciatic nerve stem of the unorganized hoptoad and measures its absolute refractory period.

本验对离体蟾蜍坐骨神经干进行不浓度处理,测其绝对不应期。

Objective:To study the influence of ethanol on absolute refractory period of sciatic nerve in hoptoad.

探对神经干绝对不应期的影响。