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Interaction between regions of the hypothalamus regulating hypophyseal gonadotropic function in female rats

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Conclusions

  1. 1.

    Wide frontal section through the hypothalamus at the level of the suprachiasmatic nuclei leads to permanent estrus.

  2. 2.

    Deafferentation of the basal hypothalamus from the preoptic region leads to accumulation of LH in the hypophysis and to an increase in estrogen secretion. The LH content in the hypophysis is at the estrus level, while the content of estrogens in ovarian venous blood is at the proestrus level of intact rats.

  3. 3.

    Deafferentation lowers the sensitivity of these hypothalamic regions to estrogen.

  4. 4.

    Ovulation does not take place under these experimental conditions.

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Authors and Affiliations

  1. Laboratory of Physiology of the Endocrine System, Institute of Experimental Endocrinology and Hormone Chemistry, USSR Academy of Sciences, Moscow

    V. N. Babichev

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  1. V. N. Babichev
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Babichev, V.N. Interaction between regions of the hypothalamus regulating hypophyseal gonadotropic function in female rats. Neurosci Behav Physiol 5, 195–199 (1972). https://doi.org/10.1007/BF01184797

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  • DOI: https://doi.org/10.1007/BF01184797

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