Your two adrenal glands are small, triangular-shaped endocrine glands located on the top of each kidney. Each adrenal gland is approximately 3 inches wide, and a half inch high.
Each gland is divided into an outer cortex and an inner medulla. The cortex and medulla of the adrenal gland secrete different hormones. The outer layer of the gland, called the adrenal cortex, produces hormones including cortisol, DHEA, estrogen and testosterone. The centers of the glands produce adrenaline, the hormone named after them. The adrenal cortex is essential to life, but the medulla may be removed with no life-threatening effects.
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