In humans, the adrenal glands are found at the level of the 12th thoracic vertebra sitting above and slightly medial to the kidneys, lying within the renal fascia, and separated from the kidneys by a thin layer of connective tissue. They are chiefly responsible for releasing three classes of hormones:Īdrenal glands: The adrenal glands are triangular-shaped organs on top of the kidneys.Īlong with catecholamines (adrenaline), these hormones control a variety of functions including kidney function, metabolism, fight-or-flight response, and sex hormone levels. In mammals, the adrenal glands (also known as the suprarenal glands) are endocrine glands that sit atop the kidneys. Adrenal medulla: The innermost part of the adrenal gland, consisting of cells that secrete adrenaline and noradrenaline. ![]() ![]() Mineralocorticoids, glucocorticoids, and androgens. adrenal cortex: The outer portion of the adrenal glands that produces. ![]()
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