antiandrogen

Definition / meaning of antiandrogen

A substance that prevents cells from making or using androgens (hormones that play a role in the formation of male sex characteristics). Antiandrogens may stop some cancer cells from growing. Some antiandrogens are used to treat prostate cancer, and others are being studied for this use. An antiandrogen is a type of hormone antagonist.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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