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The effect of temperature on the function of the preoptic nuclei in the amphibian hypophysis

  • Experimental Biology
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Bulletin of Experimental Biology and Medicine Aims and scope

Summary

The state of the hypothalamic preoptic nuclei was investigated in two species of anura and in their tadpoles varied according to the temperature conditions. Cold favors the accumulation of neurosecretion and increases the capacity of the preoptic cells to stimulate the metamorphosis of intact and partly decerebrate tadpoles; heat accelerates the flow of hypothalamic secretion to the neurohyphysis and decreases the effect of the transplant under test. The thyrotropic substance of the hypophysis is affected by temperature in the opposite way, so that the amount is reduced by cold, and increased by heat.

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Literature Cited

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Authors and Affiliations

  1. Department of Histology, Voronezhskii Medical Institute, Voronezh, USSR

    A. A. Voitkevich

Authors
  1. A. A. Voitkevich
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Additional information

Translated from Byulleten' Éksperimental'noi Biologii i Meditsiny, Vol. 53, No. 5, pp. 124–128, May 1962

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Voitkevich, A.A. The effect of temperature on the function of the preoptic nuclei in the amphibian hypophysis. Bull Exp Biol Med 53, 599–602 (1963). https://doi.org/10.1007/BF00786755

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  • DOI: https://doi.org/10.1007/BF00786755

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