Pituitary gonadotropins and thyrotropins have been purified from diverse tetrapod species, representing all four classes. There has been sufficient conservation of structure in these hormones to allow ...

Hormones coordinate different body functions by carrying messages through the bloodstream to target cells and tissues. Hormonal imbalances occur through inadequate or excess hormone synthesis, which ...

The pituitary gland is a pea-sized endocrine gland that is situated in the middle of the skull base and kept protected within a bony cavity called the sella turcica. It plays an essential role in ...

A prospective cohort shows that hormone patterns during minipuberty can help identify ovarian activity in Turner syndrome.

Hormones are the body’s chemical messengers. They act on various tissues and organs in the body to change their behavior. For example, the hormone prolactin stimulates the production of breastmilk.

Regular ovulatory ovarian function requires an intact hypothalamic-pituitary-ovarian axis. Disorder at any level may result in oligoanovulation. Gonadotropin-releasing hormone (GnRH) neurons in the ...

Ever wonder why you feel like crying over a pet food commercial one day but can watch a tearjerker movie completely unfazed the next? Or why your weight seems to fluctuate despite eating the same ...