这种钾通道在低于阈电位时开始被激活,产生IA抵消了刺激电流,去极化几乎被抑制,延长膜电位去极化。
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The withdrawal threshold after mechanical stimulus on posterior limbs was observed.
测定其后肢机械刺激缩爪阈值。
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hyperpathia (an explosive pain response when the stimulus intensity exceeds sensory threshold);
病态痛觉(当刺激强度超过感觉阈值时产生爆发痛);
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Nothing happens until the excitatory stimulus exceeds a certain'threshold'value.
兴奋性刺激超过某一临界值以前毫无反应.
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