HPA axis

HPA axis

Abbreviation for hypothalamic-pituitary-adrenal axis.
References in periodicals archive ?
Hair cortisol concentrations were similar in all groups before the earthquake suggesting no difference in HPA axis activity at baseline.
ACTH concentrations reflect increased activity of the HPA axis stress types [4,5,6,13].
The HPA axis is a complex network of interactions among the adrenal, hypothalamus, and pituitary glands that controls stress reactions and regulates digestion, the immune system, sexuality, mood, and energy usage.
It is important for nurses to understand the reason to assess HPA axis function.
There are, however, many potential confounding factors, so larger studies of inception cohorts of depressed patients that are followed over prolonged periods are needed to confirm the value of the DST or any other HPA axis measure as a biomarker for suicide risk in depressed subjects.
In response to a stressful situation, the HPA axis kicks into gear, churning out stress hormones that help a person get through challenging times.
Chronic stress disrupts the HPA axis, and several brain structures can be affected by excessive hormone exposure," Dr.
Stress was assessed from both a biological perspective, by assessing HPA axis function with a weight-adjusted very-low-dose dexamethasone suppression test (DST), and a psychological perspective, with self-report questionnaires.
The HPA axis has major interactions with the hypothalamic-pituitary-gonadal (HPG) and reproductive axes, the thyroid axis and the growth hormone axis, glucoregulation, insulin resistance and Th1/Th2 balance.
Plasma cortisol decreases the HPA axis activity by negative feedback mechanism, decreasing corticotropic hormone (CRH) in the hypothalamus.
The HPA axis is critical to homeostatic function and plays an essential role in mediating the body's stress response.