Krisher R. Journal of Reproduction and Development. Siejka A. Optimization of the maternal environment may be initiated very early in gestation, since a single, sustained-release injection of GH in sheep at breeding results in a smaller but more efficient placenta and heavier birth-weights [ ].
Role of growth hormone in development and maintenance of follicles and corpora lutea. The dramatic transformations of puberty include sexual maturation and accelerated growth.
All secondary sex characteristics in males are due to hormones, especially testosterone. What does oestregen hormones do? Testosterone specimens should be drawn in the morning, as testosterone levels are highest in the early morning hours. A diagram follows :. Secondary sex characteristics in non-human animals include manes of male lions  and long feathers of male peafowlthe tusks of male narwhalsenlarged proboscises in male elephant seals and proboscis monkeysthe bright facial and rump coloration of male mandrillsand horns in many goats and antelopes.
National University of Singapore.
Medical progress: acromegaly. Bartke A. GHR upregulation may be part of the tumorigenic process, since GHR expression is higher in cancerous prostate cell lines than in normal prostatic cell lines , and GHR immunoreactivity in the prostatic epithelium of TAg rodents increases in parallel with tumor development [ ].
Journal of Molecular Histology. Hypothalamic-Pituitary Interactions It is increasingly evident that GH modifies numerous aspects of hypothalamic function via hypothalamic GH receptors [ 34 ]. Growth hormone-independent expression of insulin-like growth factor I messenger ribonucleic acid in extrahepatic tissues of the chicken.
The New England Journal of Medicine. Brazilian Journal of Medical and Biological Research. Human Reproduction. Preimplantation bovine embryos express mRNA of growth hormone receptor and respond to growth hormone addition during in vitro development. The Journal of Clinical Endocrinology and Metabolism.