Hormones are chemical messengers secreted directly into the blood, which carries them to organs and tissues to exert their functions. The pituitary gland is often subdivided into the posterior and ...

The pituitary gland is a small, pea-sized endocrine gland located at the base of the brain. The hormones it secretes are involved in almost all major body functions, such as growth, reproduction ...

Hormones are typically produced by endocrine glands and together these glands are referred to as the endocrine system. The study of this system is called endocrinology. The pituitary gland is ...

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A woman cannot conceive again while pregnant, because her ovaries secrete the hormones estrogen and progesterone. The secretion of estrogen tells the pituitary gland to withhold the hormones ...

The pituitary gland is located at the base ... and range in size. Both types can secrete high levels of hormones, including cortisol. In addition, if the tumor is large enough to pressure nearby ...

Low levels of progesterone and estrogen cause the hypothalamus to send a releasing hormone (GnRH) to the pituitary gland. The releasing hormone signals the pituitary gland to release FSH (follicle ...

Placental growth hormone (PGH) is synthesized in and secreted from the human placental ... thus progressively replacing pituitary growth hormone in the human maternal circulation from mid ...

TSH is a hormone produced in the brain's pituitary gland that supports thyroid function, says Juan Jaume, MD, an endocrinologist and professor at the University of Toledo College of Medicine and ...