Anterior Pituitary Gland Definition Biology. A preparation of dried defatted powdered anterior lobe of the pituitary gland of domestic animals. The anterior pituitary secretes growth hormones and stimulates the thyroid and follicles.
The anterior pituitary the posterior pituitary. It is an important component of the hypothalamic-pituitary-adrenal HPA axis and often is produced in response to biological stress along with corticotropin-releasing factor from the hypothalamus. However the secretions of pancreas thymus and pineal body are not regulated by the hormones of the pituitary.
The pituitary gland is very important as it takes messages from the brain and uses these messages to produce hormones that affect many parts of the body including stimulating all the other hormone-producing glands to produce their own hormones.
It is an important component of the hypothalamic-pituitary-adrenal HPA axis and often is produced in response to biological stress along with corticotropin-releasing factor from the hypothalamus. It releases at least nine hormones affecting a wide variety of body functions including growth reproduction and levels of electrolytes and water in the body fluids. Anterior Pituitary Gland The pituitary gland hangs by a stalk from the hypothalamus. The pituitary gland is about the size of a bean and it hangs by a stalk from the hypothalamus.