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  2. Hypothalamic–pituitary–adrenal axis - Wikipedia

    en.wikipedia.org/wiki/Hypothalamicpituitary...

    Schematic of the HPA axis (CRH, corticotropin-releasing hormone; ACTH, adrenocorticotropic hormone) Hypothalamus, pituitary gland, and adrenal cortex The hypothalamicpituitaryadrenal axis (HPA axis or HTPA axis) is a complex set of direct influences and feedback interactions among three components: the hypothalamus (a part of the brain located below the thalamus), the pituitary gland (a ...

  3. Hypothalamic–pituitary hormone - Wikipedia

    en.wikipedia.org/wiki/Hypothalamicpituitary...

    They can be classified as a hypothalamicpituitary axis (HP axis) of which the adrenal (HPA Tooltip hypothalamicpituitaryadrenal axis), gonadal (HPG Tooltip hypothalamicpituitary–gonadal axis), thyroid (HPT Tooltip hypothalamicpituitary–thyroid axis), somatotropic (HPS Tooltip hypothalamicpituitary–somatotropic axis), and ...

  4. Corticotropin-releasing hormone - Wikipedia

    en.wikipedia.org/wiki/Corticotropin-releasing...

    Its main function is the stimulation of the pituitary synthesis of adrenocorticotropic hormone (ACTH), as part of the hypothalamicpituitaryadrenal axis (HPA axis). Corticotropin-releasing hormone (CRH) is a 41-amino acid peptide derived from a 196-amino acid preprohormone.

  5. Gut bacteria may influence our stress response, a mouse study ...

    www.aol.com/lifestyle/gut-bacteria-may-influence...

    The authors of the recent study further explained that one of the key pathways that helps with information regarding circadian rhythm and stress response is the hypothalamic-pituitary-adrenal (HPA ...

  6. Hypothalamic–pituitary–adrenal axis - en.wikipedia.org

    en.wikipedia.org/api/rest_v1/page/mobile-html...

    The hypothalamicpituitaryadrenal axis (HPA axis or HTPA axis) is a complex set of direct influences and feedback interactions among three components: the hypothalamus (a part of the brain located below the thalamus), the pituitary gland (a pea-shaped structure located below the hypothalamus), and the adrenal (also called "suprarenal ...

  7. Stress (biology) - Wikipedia

    en.wikipedia.org/wiki/Stress_(biology)

    In humans and most mammals, the autonomic nervous system and hypothalamic-pituitary-adrenal (HPA) axis are the two major systems that respond to stress. [3] Two well-known hormones that humans produce during stressful situations are adrenaline and cortisol .

  8. Critical illness–related corticosteroid insufficiency - Wikipedia

    en.wikipedia.org/wiki/Critical_illness–related...

    The hypothalamic-pituitary-adrenal axis (HPA axis), in which the hypothalamus and pituitary gland control adrenal secretions, undergoes profound changes during critical illness. Both very high and very low levels of cortisol have been linked to a poor outcome in intensive care patients. [2]

  9. Amygdala hijack - Wikipedia

    en.wikipedia.org/wiki/Amygdala_hijack

    If the amygdala perceives a match to the stimulus, i.e., if the record of experiences in the hippocampus tells the amygdala that it is a fight, flight or freeze situation, then the amygdala triggers the HPA (hypothalamic–pituitary–adrenal) axis and "hijacks" or overtakes rational brain function. [5]