in the stress response, is to corticotrophin-releasing hormone as is to adrenocorticotrophic hormone.

Hypothalamus; pituitary gland

Hypothalamix-pituitary-adrenal axis is a  complex set of direct influences and feedback interactions among the three organ components which are the hypothamus, pituitary gland and adrenal gland. These organ and their interactions forms the HPA axis  that controls the reaction to stress and regulates many body processes,including digestion, immune system mood and emotions

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