There are eight total hormones produced by the pituitary gland, each regulating a specific body process. The pituitary gland is split into anterior and posterior parts, each of which secretes different types of hormones. If the hypothalamus wants activity to slow down, it tells the pituitary gland to release less hormones. If the hypothalamus wants activity to speed up, it tells the pituitary to release more hormones.
Based on these measurements, the brain determines if it needs to increase or decrease the activity of specific processes.
The hypothalamus is constantly measuring a complex array of variables that tell the brain how the body is functioning. The pituitary gland receives its orders from part of the brain called the hypothalamus. This causes the activity of the end organ to slow down. When the brain wants the activity of that gland or organ to decrease, the pituitary gland lets its foot off the gas and stops or decreases the secretion of that hormone. Like pressing the gas pedal in your car to speed up, the pituitary gland releases hormones that tell an organ or gland to increase its activity. The pituitary gland secretes chemicals, called hormones, that communicate with various organ systems to achieve this balance. The function of the pituitary gland is to maintain homeostasis (a physiologic balance) within the body.
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