Cortisol
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Cortisol is a steroid hormone in the glucocorticoid class of hormones and a stress hormone. When used as medication, it is known as hydrocortisone.
Change in plasma cortisol cycle (mcg/dL) over 24 hours
Adrenal gland
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The adrenal glands are endocrine glands that produce a variety of hormones including adrenaline and the steroids aldosterone and cortisol. They are found above the kidneys. Each gland has an outer cor
Cortisol
…used as medication, it is known as hydrocortisone. Cortisol is produced in many animals, mainly by the zona fasciculata of the adrenal cortex in an adrenal gland. In other tissues, it is produced in lower quantities. By a diurnal cycle, cortisol is released and increases in response to stress and a low blood-glucose…
Adrenal glands, anterior (left) and posterior (right) surface
Section of human adrenal gland under the microscope, showing its different layers. From the surface to the center: zona glomerulosa, zona fasciculata, zona reticularis, medulla. In the medulla, the central adrenomedullary vein is visible.
Different hormones are produced in different zones of the cortex and medulla of the gland. Light microscopy at magnification × 204.
Characteristic skin hyperpigmentation in Addison's disease