Results 51 to 60 of about 139,658 (339)
Indian Journal of Endocrinology and Metabolism, 2014 Male reproduction is governed by the classical hypothalamo-hypophyseal testicular axis: Hypothalamic gonadotropin releasing hormone (GnRH), pituitary luteinizing hormone (LH) and follicle stimulating hormone (FSH) and the gonadal steroid, principally ...
Anand Kumar +2 more
doaj +1 more source
Zygoparity and sex steroid hormone profiles in bluemouth Helicolenus dactylopterus [PDF]
, 2017 Two hundred and seven individuals (103 females and 104 males) of bluemouth Helicolenus dactylopterus (Scorpaeniformes, Sebastidae), a commercially important deep-water species with an unusual reproductive strategy, from the eastern Atlantic Ocean ranging
Barcellos +30 more
core +1 more source
Medicines, 2022 Drinking water can be a potential source of toxic metals, which are a known leading cause of infertility in men. This study determines the concentrations of lead (Pb), cadmium (Cd), zinc (Zn), copper (Cu) in drinking water (borehole, hand-dug well and ...
Osaro Ogie Enehizena, Mathias A. Emokpae
doaj +1 more source
Gonadotropins in the Russian Sturgeon: Their Role in Steroid Secretion and the Effect of Hormonal Treatment on Their Secretion. [PDF]
, 2016 In the reproduction process of male and female fish, pituitary derived gonadotropins (GTHs) play a key role. To be able to specifically investigate certain functions of Luteinizing (LH) and Follicle stimulating hormone (FSH) in Russian sturgeon ...
Aizen, Joseph +8 more
core +3 more sources
Peripheral and central mechanisms involved in hormonal control of male and female reproduction [PDF]
, 2016 Reproduction involves the integration of hormonal signals acting across multiple systems togenerate a synchronized physiological output. A critical component of reproduction is the luteinizinghormone (LH) surge, which is mediated by estradiol (E2) and ...
Bentley, G. E. +6 more
core +1 more source
Ligula intestinalis (Cestoda: Pseudophyllidea): an ideal fish-metazoan parasite model? [PDF]
, 2010 Since its use as a model to study metazoan parasite culture and in vitro development, the plerocercoid of the tapeworm, Ligula intestinalis, has served as a useful scientific tool to study a range of biological factors, particularly within its fish ...
Carter, V, Dufour, S, Hoole, D
core +1 more source
Sexual Differentiation of Circadian Clock Function in the Adrenal Gland [PDF]
, 2016 Sex differences in glucocorticoid production are associated with increased responsiveness of the adrenal gland in females. However, the adrenal-intrinsic mechanisms that establish sexual dimorphic function remain ill defined. Glucocorticoid production is
Evans, Jennifer A. +5 more
core +2 more sources
Extragonadal LH/hCG action-Not yet time to rewrite textbooks [PDF]
, 2007 Gonadotropins are indispensable in both sexes in the regulation of gonadal sex steroid production and gametogenesis. In addition to their well-established classical actions, numerous recent publications have indicated the presence and function of ...
Ahtiainen, Petteri +5 more
core +3 more sources
Sexual differentiation of the rodent brain: dogma and beyond
Frontiers in Neuroscience, 2012 Steroid hormones of gonadal origin act on the neonatal brain to produce sex differences that underlie adult reproductive physiology and behavior. Neuronal sex differences occur on a variety of levels, including differences in regional volume and/or cell
Kathryn M. Lenz +2 more
doaj +1 more source
Ameliorative Impact of Silymarin on the Male Reproductive System: An Updated Systematic Review
Jorjani Biomedicine Journal, 2022 Background and objectives: Numerous studies have evaluated the effects of silymarin on sperm quality and its neutralization impact of various toxins on the male reproductive system.
Fahimeh Hosseinabadi +3 more
doaj