NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,847 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

adrenal cortex
(uh-DREE-nul KOR-tex)
The outer part of the adrenal gland (a small organ on top of each kidney). The adrenal cortex makes androgen and corticosteroid hormones.

EnlargeAnatomy of the adrenal gland; drawing of the abdomen showing the left and right adrenal glands, the left and right kidneys, and major blood vessels. A cross section of an adrenal gland is in an inset showing the adrenal cortex and the adrenal medulla.

Anatomy of the adrenal gland. There are two adrenal glands, one on top of each kidney. The outer part of each gland is the adrenal cortex; the inner part is the adrenal medulla.