受精波 fertilization wave
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动物卵在受精时，随着精子进入卵，在卵表层多出现明显的形态变化，此时在精子侵入点最先发生的冲动向卵全表层传布，由此而引起可视性的表层粒解体等形态学变化。此种前行的传布性变化，称为受精波。推测是一种兴奋传导，见于大鳆（腹足类）、海胆等。可被酚氨基甲酸乙酯等麻醉药物所阻断。与阴性波的关系尚不清楚。
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