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Definition of Adrenal gland

Adrenal gland: A small gland located on top of the kidney. The adrenal glands produce hormones that help control heart rate, blood pressure, the way the body uses food, the levels of minerals such as sodium and potassium in the blood, and other functions particularly involved in stress reactions.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/19/2012

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