نتایج جستجو برای: gonadal hormones
تعداد نتایج: 79601 فیلتر نتایج به سال:
OADES, R. D. Search and attention: Interactions of the hippocampal-septal axis, adrenocortical and gonadal hormones. NEUROSCI. BIOBEHAV. REV. 3(1) 31--48, 1979.--The phenomenon of attention is treated in terms of the ability to select some sensory input channels over others by the central nervous system for further processing and behavioural organisation. Studies of birds and mammals are review...
Migraine is a primary headache disorder recognized by the World Health Organization as one of most poorly understood and debilitating neurological conditions impacting global disability. Chronic pain disorders are more frequently diagnosed among cisgender women than men, suggesting that female sex hormones could be responsible for mediating chronic pain, including migraine and/or androgens can ...
Maturation of the reproductive system during puberty results in elevated levels of gonadal steroid hormones. These hormones sculpt neural circuits during adolescence, a time of dramatic rewiring of the nervous system. Here, we review the evidence that steroid-dependent organization of the adolescent brain programs a variety of adult behaviors in animals and humans. Converging lines of evidence ...
Background : Various studies indicate that gonadal hormones exert modulatory effects on pain threshold. The aim of this study was to investigate the role of estradiol or progesterone in the response by female rats to thermal nociceptive stimulation. Methods: In this laboratory experimental study, thirty 7 week old albino (Wistar) rats were randomly divided into control, sham and ovariectomi...
During embryonic development, gonadal steroid hormones (androgens and estrogens) are thought to organize the sexual differentiation of the brain in the heterogametic sexes of higher vertebrates (males in mammals, females in birds). Brain differentiation of the homogametic sexes is thought to proceed by default, not requiring sex hormones for sex-specific organization. In gallinaceous birds such...
Sex steroid hormones play important roles in many physiological processes, particularly in the reproduction of teleostei. Therefore, study of steroid hormones in fish is one of the important indicators of reproductive biology. In the present research, serum steroid hormones such as testosterone (T), 17β-estradiol (E2) and progesterone (P) in Esox lucius brood stocks, during one year, from ...
BACKGROUND Asparagus is a plant with high nutritional, pharmaceutical, and industrial values. OBJECTIVE The present study aimed to evaluate the effect of aqueous extract of asparagus roots on the hypothalamic-pituitary-gonadal axis hormones and oogenesis in female rats. MATERIALS AND METHODS In this experimental study, 40 adult female Wistar rats were divided into five groups, which consist...
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