Titlebook: Neurobiology; Current Comparative Raymond Gilles,Jacques Balthazart Conference proceedings 1985 Springer-Verlag Berlin Heidelberg 1985 bio

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Neural Progestin Receptors: Regulation of Progesterone-Facilitated Sexual Behaviour in Female Guinea display of sexual behaviours during the oestrous cycle of many vertebrate species (Young 1961). In oestrogen-primed female rodents, progesterone both facilitates the display of sexual behaviour and inhibits its further facilitation by progesterone (Morin 1977). The latter effect of progesterone has

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Strategies for Determining the Molecular Mechanisms of Oestrogen Regulation of Female Reproductive Bbly via direct interactions of the steroids with specific target cells in the brain. One of the best studied examples of hormonal regulation of behaviour is the facilitation of mating behaviour in female mammals by the ovarian steroids oestradiol (OE.) and progesterone (P). In rats, for example, the

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Testosterone and Aggressive Behaviour during the Reproductive Cycle of Male Birdsoductive contexts. These new insights stem primarily from work which has focused on endocrine, neuroendocrine and enzymatic activity in the brain-gonad axis during the dramatic developmental periods of either puberty or seasonal breeding. Despite these sophisticated advances, simple correlations of

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Role of Testosterone Metabolism in the Activation of Sexual Behaviour in Birds since been verified by many independent researchers and has been extended to a large number of species belonging to all vertebrate classes. It has also been demonstrated that the steroid, testosterone (T) was responsible for the behavioural effects of the testes but we had to wait for the advent of

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Aromatization: Is It Critical for the Differentiation of Sexually Dimorphic Behaviours?rganism’s behavioural responsivity to gonadal hormones in adulthood, it is unclear which hormone(s) mediates the events. Identity of the hormone or combination of hormones that bring about behavioural defeminization (suppression of female-typical responses) and behavioural masculinization (enhanceme

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Searching for Neural Correlates of Sexual Differentiation in a Heterogeneous Tissue male and female sexual behaviour (Davidson and Bloch 1969; Eisenfeld and Axelrod 1965; Lisk 1962, 1967; Harris and Michael 1964). Since then our knowledge of how HPOA cells accumulate and metabolize steroids has rapidly progressed. We know, for example, that HPOA cells that respond to testosterone

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