adrenal glands

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adrenal glands (suprarenal glands) (ă-dree-năl) pl. n. two triangular endocrine glands, each of which covers the superior surface of a kidney. The medulla forms the grey core of the gland and produces adrenaline and noradrenaline. The cortex is a yellowish tissue surrounding the medulla; it produces corticosteroid hormones.

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