The pituitary gland is a pea-sized bit of tissue at the bottom of your brain. Glands are organs that make and release hormones into your blood. Hormones are chemicals that stimulate other cells or tissues into action. The pituitary gland puts out many different hormones. Each pituitary hormone controls a different gland and body function.
The pituitary gland is controlled by a part of the brain called the hypothalamus.
Each pituitary hormone controls different glands and body functions.
Pituitary hormones include:
ACTH: Controls your adrenal gland hormones, which affect heart rate, blood pressure, and the balance of salt and water in your body
Growth hormone: Controls how fast and big your body grows
Thyroid-stimulating hormone: Controls your thyroid gland hormones, which control how fast your body's chemical functions work
LH and FSH: Control your sex hormones testosterone and estrogen, which affect fertility
Prolactin: Controls the production of breast milk
Your pituitary gland may:
Sometimes there's a problem with only one pituitary hormone. Other times, you have a problem with many or all of the hormones.
If your pituitary gland produces too much, or not enough, of a hormone, you can get health problems such as: