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.

A protein that binds male hormones called androgens. ARs are found inside the cells of male reproductive tissue, some other types of tissue, and some cancer cells. In prostate cancer, androgens bind to ARs inside the cancer cells, which causes the cancer cells to grow. Also called androgen receptor.