Hypogonadotropic hypogonadism (HH)—also known as hypothalamic hypogonadism—is a condition in which the hypothalamus or pituitary gland produces little to no gonadotropins. Gonadotropins are hormones ...

In the brain, gray matter refers to the darker, outer portion, while white matter describes the lighter, inner section underneath ... Sometimes called the “master gland,” the pituitary gland is a ...