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ON THE RELATIONSHIP BETWEEN CHOLINE ESTERASE AND THE DEVELOPMENT OF BEHAVIOR IN AMPHIBIA

ON THE RELATIONSHIP BETWEEN CHOLINE ESTERASE AND THE DEVELOPMENT OF BEHAVIOR IN AMPHIBIA ESTERASE OF BEHAVIOR of Anatomy, Duke University School of Medicine, Durham, North Carolina (Received for publication May 25, 1938) DESTRUCTIONof acetyl by the enzyme esterase is thought to account for the short duration of the effect of a nerve stimulus (Dale, 1936). It has been shown that acetyl is liberated sometime after a motor nerve to striated muscle is stimulated (Dale, Feldberg Vogt, 1936); the amount of esterase present in the superior cervical ganglion is sufficient to accomplish the destruction of the acetyl liberated, presumably within the refractory period of that ganglion (Glick, 1938). The inactivation of esterase by eserine is well known (Gaddum, 1935). The behavior of amphibian embryos poisoned with eserine during the swimming stage is characterized by a gradual paralysis of the skeletal musculature, by a gradual loss of irritability to mechanical stimulation by the development of contracture. A similar paralysis contracture have been observed in amphibian embryos in the early swimming stage after they had been made to swim continuously for a few minutes by repeated mechanical stimulation. Therefore, it would seem that the slow relaxation of young amphibian embryos in the flexure, “U,” coil stages, their quick fatigue through the early swimmin g http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Neurophysiology The American Physiological Society

ON THE RELATIONSHIP BETWEEN CHOLINE ESTERASE AND THE DEVELOPMENT OF BEHAVIOR IN AMPHIBIA

Journal of Neurophysiology , Volume 1: 357 – Jul 1, 1938

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Publisher
The American Physiological Society
Copyright
Copyright © 1938 the American Physiological Society
ISSN
0022-3077
eISSN
1522-1598
Publisher site
See Article on Publisher Site

Abstract

ESTERASE OF BEHAVIOR of Anatomy, Duke University School of Medicine, Durham, North Carolina (Received for publication May 25, 1938) DESTRUCTIONof acetyl by the enzyme esterase is thought to account for the short duration of the effect of a nerve stimulus (Dale, 1936). It has been shown that acetyl is liberated sometime after a motor nerve to striated muscle is stimulated (Dale, Feldberg Vogt, 1936); the amount of esterase present in the superior cervical ganglion is sufficient to accomplish the destruction of the acetyl liberated, presumably within the refractory period of that ganglion (Glick, 1938). The inactivation of esterase by eserine is well known (Gaddum, 1935). The behavior of amphibian embryos poisoned with eserine during the swimming stage is characterized by a gradual paralysis of the skeletal musculature, by a gradual loss of irritability to mechanical stimulation by the development of contracture. A similar paralysis contracture have been observed in amphibian embryos in the early swimming stage after they had been made to swim continuously for a few minutes by repeated mechanical stimulation. Therefore, it would seem that the slow relaxation of young amphibian embryos in the flexure, “U,” coil stages, their quick fatigue through the early swimmin g

Journal

Journal of NeurophysiologyThe American Physiological Society

Published: Jul 1, 1938

There are no references for this article.