Summary: The Hypothalamic Pituitary Adrenal Axis In response to low serum cortisol or stress the hypothalamus secretes corticotropin releasing factor (CRF). In response to CRF the pituitary releases adrenocorticotropic hormone (ACTH). In response to In response to ACTH the adrenal glands secrete cortisol In response to elevated cortisol levels the hypothalamus decreases production of CRF. If […]
