CRH in medical terms refers to adrenocorticotropin-releasing hormone. This hormone is found mainly in the brain, and the neurons that secrete it are located mainly in the paraventricular nucleus of the hypothalamus. This hormone acts mainly on the pituitary gland, which is also an important secretory organ in the brain. The pituitary gland is divided into two parts: the pituitary gland, which synthesizes and releases adrenocorticotropic hormone, and the pituitary gland, whose main role is to promote the synthesis and release of adrenocorticotropic hormone. The latter acts on the body’s adrenal glands to regulate plasma levels of adrenocorticotropic hormone. From the hypothalamus to the pituitary gland and then to the adrenal cortex, known as the adrenocortical axis, this axis is involved in an important endocrine role in the body.