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    650525

    Neuroendocrinology and reproduction in the human.

    World Health Organization [WHO]. Scientific Group

    Geneva, Switzerland, WHO, 1965. 19 p. (WHO Technical Report Series No. 304)

    This WHO technical report focuses on the 1) psychosomatic factors in human reproduction; 2) hypothalamo-hypophyseal system; 3) mechanism of sexual rhythm; 4) nervous influences on the hypothalamus; 5) hormonal influences on the hypothalamus; 6) neuroendocrine aspects of sexual behavior; and 7) effects of drugs on reproduction. After summarizing current research status on the above-mentioned topics, the following research needs are suggested: 1) assays of individual human endogenous gonadotropins, suitable for clinical application; 2) autoradiography, fluorescent-antibody, spectrophometric interference and histochemical and biochemical techniques for studying cells that supply axons to the primary capillary plexus of the hypophyseal portal system and for studying effects of different hormonal status on hypothalmic structure and function; 3) computer techniques for evaluating electrophysiological data; 4) improved lesioning techniques; 5) comparative studies of reproductive activity patterns, exteroceptive factors, neuroendocrine factors in sexual and related social behavior, and long-term or delayed effects of drugs administered during gestation on subsequent sexual development; 6) studies of synaptic connections of hypothalamic neurones; 7) studies of endogenous gonadal and gonadotropin production in prepuberal animals; 8) functional significance of regional distribution of hypophyseal portal system; 9) mechanisms involved in selective uptake of labeled hormones; 10) hypothalamic lesions in species with spontaneous ovulation and active luteal function; 11) direct effect of gonadal hormones on single hypothalamic neurones studied with combination of microinjection and unit recording devices; 12) studies of the possibility of a direct feedback of gonadotropic hormones on the hypothalamus; 13) studies of the receptor mechanisms involved in neuroendocrine reflexes; 14) wider exploration of brain structures, with regard to feedback action of gonadal hormones; 15) studies of pineal function; 16) further investigation of a possible role of the peripheral autonomic pathways in reproductive processes; and 17) research on the application of tissue culture techniques for studying problems of the origin and metabolic effects of neurohormonal mediators and the biochemcial and morphological changes induced by sex hormones.
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