Sharpe RM. Do males rely on female hormones? Nature 1997 , 390 : 447 – 448 .Sharpe RM (1997) Do males rely on female hormones? Nature 390(6659):447–448Sharpe, RM (1997) Do males rely on female hormones?. Nature 390: pp. 447-448...
This "Documentary" Is Full Of Unsupported Generalizations and Unsupported Theories. It would be nice if the "Experts" actually had the documentation that would make this a real documentary. It sounds more like an invented fantasy taught as if it was historic knowledge. What is the agenda here?
If the dog is a female, the mammary organs develop fully thanks to the different hormones, and at some point, the mammary glands and nipples would be needed to serve their biological purpose, which is to produce milk and nurse their young. If the dog is a male, the penis, testicles, a...
When it comes to frenzied hormones, dogs who aren't neutered have them in droves. If you have a male pooch and decide to take the step ingetting him fixed, don't expect to see an instant drop in all of his hormonally charged behavioral patterns, however. The effects of neutering often...
Research by Hess et al in this issue; Role of androgens and estrogens in both sexes; Release of sperm from Sertoli cells; Secretions from Sertoli cells; Biochemical details of fluid resorption; Estrogen in males; Environmental estrogens. 关键词: Do males rely on female hormones?, Artículo ...
female reproductive hormonesSapajus nigritussexual signalsvocal communicationFemales across a range of animal taxa produce vocalizations and signals uniquely associated with periods of mating. While such signals may ultimately function to increase female attractivity to males, conflicting findings challenge the...
Perhaps female monkeys are “programmed” to be social and maternal, and therefore, they are more likely to choose soft toys that can be groomed or held while males are active and prefer toys that move, however, Sexually dimorphic brain mechanisms for toy choice? The findings of Hassett and...
Most people do not know this but both men and women have both androgens and estrogens present, which are commonly thought of as traditionally male and female sex hormones. The difference between the genders is the relative concentrations of these hormones with males generally having higher concentrat...
Men have nipples because nipples are part of the basic human design. Although many people view nipples as secondary sexual organs...
Differences in the bone marrow niche can be attributed to sexual dimorphism, to genetic variations that affect sex hormone levels, or to the direct effects of sex hormones, natural or exogenously delivered. This review describes the present understanding of sex-associated and sex hormone level ...