Male genitalia, both internal and external, is made of many components. The testes are an important internal component, and the penis is the main external part. The male genital system consists of ...

Toxic masculinity is a major societal concern. It is said that testosterone from the testes makes men overly aggressive. But the biology of hormones and aggression is not that simple. A symposium ...

If you cannot see the Flash Movie playing then you may not have the flash player installed. The latest version of the Flash player can be downloaded free from Macromedia More information and help with ...

Please provide your email address to receive an email when new articles are posted on . A 29-year-old man was seen 2 years ago to transfer his care from pediatric to adult endocrinology. He was ...

Testosterone is the most important male hormone and is responsible for the changes boys go through to become men as they go through puberty. Testosterone is mostly produced in the testes and a small ...

Hypogonadism also known as gonad deficiency is a condition with reduced or absence of sex hormone secretion by the sex glands. Sex glands also known as gonads are the testes in males and ovaries in ...

IN 1942 Klinefelter et al. 1 described a syndrome of micro-orchidism, azoospermia, hyalinization of seminiferous tubules, elevated urinary follicle-stimulating hormone (FSH) and gynecomastia. Since ...

Did you know the brain plays a crucial role in impacting male fertility? The hypothalamus and pituitary gland, two small but crucial parts of the brain, control key hormones that regulate sperm ...