Electrical Characteristics of Triturus Egg Cells during Cleavage

  title={Electrical Characteristics of Triturus Egg Cells during Cleavage},
  author={Shizuo Ito and Nobuaki Hori},
  journal={The Journal of General Physiology},
  pages={1019 - 1027}
The membrane potential in the blastomeres of dividing Triturus egg cells increases progressively from the first cleavage to the late morula stages. Both the animal and vegetal poles show the same increasing trend in potential; there is no significant potential difference between them. Upon first cell cleavage, the total resistance of the egg cell surface in contact with the exterior decreases to about one-tenth of its value before cleavage, and then remains rather constant up to the late morula… CONTINUE READING


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