adren/o, adrenal/o (2/11)

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adren/o or adrenal/o is a combining form that refers to “adrenal gland” or “epinephrine”.

On top of the kidneys, adrenal glands are endocrine glands. The adrenal glands produce several key hormones, including cortisol, aldosterone, and adrenaline (epinephrine). Several bodily functions are regulated by these hormones, such as metabolism, blood pressure, and the stress response.