نتایج جستجو برای: gonadal axis
تعداد نتایج: 116450 فیلتر نتایج به سال:
Under normal conditions, the adrenal glucocorticoids, the endproduct of the hypothalamic-pituitary-adrenal (HPA) axis, provide a frontline of defence against threats to homeostasis (i.e. stress). On the other hand, chronic HPA drive and glucocorticoid hypersecretion have been implicated in the pathogenesis of several forms of systemic, neurodegenerative and affective disorders. The HPA axis is ...
To increase our knowledge concerning the central and peripheral regulation of reproduction in mammals a series of studies were performed. In the first experiment, we found that exogenous leptin altered the activity of the hypothalmo-pituitary-gonadotropic axis in sheep during insufficient feeding. The action of leptin appears to be mediated by changes in GnRH and LH secretion as well as NPY imm...
conclusions chronic administration of high doses of nd can alter serum fsh, lh and testosterone and hematological parameters in male rats. results serum testosterone, lh, fsh, weight gain, food and water intake in group t were significantly decreased compared to other groups (p < 0.05). in addition erythrocyte, leucocytes, hemoglobin and hematocrit in group t were significantly increased compar...
Since previous work has shown that stimulation early in life decreases sexual receptiveness as measured by the female lordosis quotient, we suggested that neonatal handling could affect the function of the hypothalamus-pituitary-gonadal axis. The effects of neonatal handling on the estrous cycle and ovulation were analyzed in adult rats. Two groups of animals were studied: intact (no manipulati...
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