Responsiveness to estradiol in central nervous system of aging female rats

The age related decline in reproductive capacity in the female rat is examined in terms of physiological and behavioral changes in responsiveness to estradiol evidenced during the second year of life. After 9–12 months of age, regular estrous cycles are replaced by constant estrous, prolonged pseudo...

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Veröffentlicht in:Neuroscience and biobehavioral reviews 1982-01, Vol.6 (1), p.39-45
1. Verfasser: Dudley, Susan D.
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description The age related decline in reproductive capacity in the female rat is examined in terms of physiological and behavioral changes in responsiveness to estradiol evidenced during the second year of life. After 9–12 months of age, regular estrous cycles are replaced by constant estrous, prolonged pseudopregnancy, or anestrous states, with concurrent alterations in endocrine function. Some of the mechanisms implicated in the mediation of these changes are reviewed. Estrogenic influences on estrous behavior and the control of feeding and body weight in aged rats, as well as the effects of parity on aged endocrinological functioning are discussed.
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identifier ISSN: 0149-7634
ispartof Neuroscience and biobehavioral reviews, 1982-01, Vol.6 (1), p.39-45
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source MEDLINE; Elsevier ScienceDirect Journals
subjects Aging
Aging rat
Anestrus - drug effects
Animals
Body weight
Body Weight - drug effects
Brain - drug effects
Brain - physiology
Estradiol
Estradiol - pharmacology
Estradiol - physiology
Estradiol receptor
Estrous behavior
Estrus - drug effects
Feeding Behavior - drug effects
Feeding Behavior - physiology
Female
Hypothalamo-Hypophyseal System - drug effects
Hypothalamo-Hypophyseal System - physiology
Hypothalamo-pituitary axis
Ovary - physiology
Parity
Pituitary Gland - drug effects
Pituitary Gland - physiology
Pregnancy
Rats - physiology
Receptors, Estrogen - drug effects
Receptors, Estrogen - physiology
Research Design
Sexual Behavior, Animal - physiology
title Responsiveness to estradiol in central nervous system of aging female rats
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