Electrical membrane properties of the muscle lamellae in Branchiostoma myotomes.

@article{Melzer1982ElectricalMP,
  title={Electrical membrane properties of the muscle lamellae in Branchiostoma myotomes.},
  author={Werner Melzer},
  journal={European journal of cell biology},
  year={1982},
  volume={28 2},
  pages={213-8}
}
The membrane characteristics of amphioxus myotome cells were investigated using the chopped-current clamp method. The extremely thin myotome lamellae had a membrane resistance of 2.2 to 7.7 k omega cm2 and a capacity of 0.4 to 1.3 microF/micron2. The steady state current-voltage relation showed outward rectification. In Cl- - and Na+ -free solutions containing 400 mM TEA the input resistance and the time constant increased threefold and Ca2+ -dependent action potentials occurred, indicating the… CONTINUE READING

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