Podcast:Physician Assistant Exam Review Published On: Tue May 01 2018 Description: > 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 ACTH the adrenal glands secrete cortisol […] The post S2 E033 Cushing’s Syndrome appeared first on Physician Assistant Exam Review.