Conversely, the impact of testosterone on health has also been evaluated with respect to its cardiac and vascular protective effects, body composition, autoimmunity and all-cause mortality. The male aging process results in decreasing testosterone levels over time. The exact mechanisms and impact of ...
Human reproductive system - Male Anatomy, Hormones, Reproduction: The male gonads are the testes; they are the source of spermatozoa and also of male sex hormones called androgens. The other genital organs are the epididymides; the ductus, or vasa, defer
2. Testosterone is the dominant “male” hormone. In men, testosterone is made in the testes and serves a major role in regulating sperm production. However, testosterone is active throughout the body and impacts many areas of health, including bone and muscle health/mass, libido, fat distrib...
The daily ebb and flow of hormones in the male body may play a role in shrinking the brain throughout the day, a study hints. After losing volume between morning and evening, the brain resets overnight, starting the cycle again, the research shows... hormones...
Animal experiments revealed that 17β-estradiol (E2)- and dihydrotestosterone (DHT)-treated rats showed opposite effects in terms of body weight gain in both genders. Interestingly, Ft-A and Ft-B were sex-dependently expressed in the livers of rats, responding to different regulatory modes of ...
In general, the absence of the Y chromosome will result in the development of female genital organs (i.e., female genital sex), although ovaries may be lacking. The presence of the Y chromosome is a prerequisite for the development of the male gonad, which in turn gives rise to te 展开...
An unfavourable body fat distribution may cause metabolic abnormalities including diabetes and dyslipidemia. These effects may be mediated by alterations in sex hormones. In women the available data suggest that upper body adiposity is related to increased androgenicity (especially as indicated by low co...
Sex differences in the relation of visceral adipose tissue accumulation to total body fatness. The associations between the amount of abdominal adipose tissue (AT) measured by computed tomography (CT) or estimated with predictive equations and the am... S Lemieux,D Prud'Homme,C Bouchard,... -...
Androgens cause enlargement of hair follicles in androgen-dependent areas (beard in male adolescents, axillary and pubic hair), but in scalp follicles of susceptible men para- doxically androgens foster miniaturization and shortage of hair in the anagen stage leading to common baldness [3]. These...
Transdermal testosterone gel improves sexual function, mood, muscle strength, and body composition parameters in hypogonadal men. Testosterone (T) therapy for hypogonadal men should correct the clinical abnormalities of T deficiency, including improvement of sexual function, increase ... C Wang - 《J ...