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January 29, 1971Science76 citations

Development of Excitability in Embryonic Muscle Cell Membranes in Certain Tunicates

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KTKunitaro TakahashiSMShunichi MiyazakiYKYoshiaki Kidokoro

Key Points

  • This research investigates how excitability develops in embryonic muscle cell membranes of tunicates during early stages.
  • Observed membrane responses during gastrula stage and early tadpole larva in tunicates.
  • Examined action potential characteristics through developmental stages.
  • In gastrula stage, regenerative membrane response is evident.
  • Early tadpole larvae show an action potential with spike and plateau phases.
  • The plateau phase disappears in fully differentiated muscle cells, linked to delayed rectification.

Abstract

During the course of development of muscle cells in certain tunicates, a sign of regenerative membrane response appears in the gastrula stage. In the early tadpole larva, the action potential consists of a spike followed by a plateau. The latter-disappears in fully differentiated cells, conceivably in association with the establishment of delayed rectification.

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Cite This Study

Takahashi et al. (1971) studied this question.

synapsesocial.com/papers/6a6b8e5bb1ab7113b2b39c02https://doi.org/10.1126/science.171.3969.415
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  4. 4Connections between cells of the developing squid as revealed by electrophysiological methods.1966 · 278 citations
  5. 5Amaroucium constellatum (verrill) II. The structure and organization of the tadpole larva1921 · 45 citations