NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,861 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.

anabolic steroid
(A-nuh-BAH-lik STAYR-oyd)
A type of steroid that is used in medicine to repair body tissues and to increase appetite and the growth of muscles. Anabolic steroids are made in the laboratory from testosterone (a male hormone).