Results 291 to 300 of about 448,134 (326)
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Gynecologic and Obstetric Investigation, 1986
Endocrine studies were carried out on 3 patients with streak gonad syndrome, 2 of whom had slight proliferative vaginal smear patterns, and the 3rd had slight hirsutism with increased muscle mass but an atrophic type vaginal smear pattern. Simultaneous sampling of peripheral, adrenal and streak gonadal venous blood revealed mildly increased ...
P, Bösze +3 more
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Endocrine studies were carried out on 3 patients with streak gonad syndrome, 2 of whom had slight proliferative vaginal smear patterns, and the 3rd had slight hirsutism with increased muscle mass but an atrophic type vaginal smear pattern. Simultaneous sampling of peripheral, adrenal and streak gonadal venous blood revealed mildly increased ...
P, Bösze +3 more
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Induced Maturation of Gonads in Aplysia punctata Cuvier
Nature, 1967STUDIES of development and reproduction in marine invertebrates are usually limited to the natural breeding seasons of the animals concerned. In order to overcome this time restriction with regard to Aplysia punctata (Gastropoda, Opisthobranchia), and in the hope of establishing a method which might be applicable to other animals, we tried to induce ...
S. TYRELL SMITH, THOMAS H. CAREFOOT
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Gonadal steroid neuromodulation of developing and mature hypothalamic neuronal networks
Current Opinion in Neurobiology, 2014This review highlights recent findings regarding the diverse mechanisms through which gonadal steroid hormones modulate neuronal structure and function. In males, estradiol aromatized from testosterone in the perinatal period permanently masculinizes several components of mammalian brain circuitry.
Rebecca E, Campbell, Allan E, Herbison
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Influence of melatonin on gonad maturation inLineus lacteus (Heteronemertini, Lineidae)
The Journal of Experimental Zoology, 1996The annual reproductive cycle of Lineus lacteus is regulated by photoperiod and thermoperiod. Gonad maturation depends on a gonad-inhibiting hormone (GIH) secreted by the cerebral ganglia, in which melatonin was also observed. Results in the worm showed that melatonin concentrations seemed to vary at the two most appropriate times of the year (spawning
Fabrice Arnoult, Guy Vernet
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Bulimia nervosa and disorders of gonadal differentiation and maturation
International Journal of Eating Disorders, 1992A case series of four patients with disorders of gonadal differentiation and maturation who subsequently developed bulimia nervosa is described. To the authors' knowledge these are the first reports of bulimia nervosa in conjunction with preexisting gonadal pathologies.
Mark L. Tattersall +3 more
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Ethanol: A Gonadal Toxin in the Mature Rat of Both Sexes
Alcoholism: Clinical and Experimental Research, 1980A diet containing 5% ethanol, accounting for 36% of the total calories or a similar diet in which dextrimaltose was isocalorically substituted for ethanol, was fed to sexually mature adult male and female rats to determine whether alcohol feeding of such animals could produce gonadal failure as it does in weanling animals.
J S, Gavaler, D H, Van Thiel, R, Lester
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Abnormal Ovarian DNA Methylation Programming during Gonad Maturation in Wild Contaminated Fish
Environmental Science & Technology, 2014There is increasing evidence that pollutants may cause diseases via epigenetic modifications. Epigenetic mechanisms such as DNA methylation participate in the regulation of gene transcription. Surprisingly, epigenetics research is still limited in ecotoxicology. In this study, we investigated whether chronic exposure to contaminants experienced by wild
Pierron, F. +12 more
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Sexual Maturation and Differentiation: The Role of the Gonadal Steroids
1978Publisher Summary The development of the neuroendocrine system involves not only the maturation of the individual components and their abilities to produce hormones but also the acquisition of the functional capacity of the brain and pituitary to be influenced by target gland hormones.
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The gonad morphology and maturation in Arctic Calanus species
Journal of Marine Systems, 1998Gonad morphology and maturation of the dominant Arctic copepod species Calanus glacialis and C. hyperboreus were studied using a combination of observations on whole animals (“whole-body analysis”) and histological sections to describe basic reproductive processes. The comparison with C.
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