Abstract
THE œsophagus of Ascaris is a stout cylindrical organ up to 7 mm in length and more than 1 mm in diameter, which in fresh preparations is often seen to contract rhythmically. Vigorous contractions are also elicited by brief electric pulses applied directly to its surface.
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DEL CASTILLO, J., DE MELLO, W. & MORALES, T. Hyperpolarizing Action Potentials recorded from the Œsophagus of Ascaris lumbricoides. Nature 203, 530–531 (1964). https://doi.org/10.1038/203530a0
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DOI: https://doi.org/10.1038/203530a0
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