NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,777 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.

gossypol acetic acid
(GAH-sih-pole uh-SEE-tik A-sid)
A substance being studied in the treatment of several types of cancer. It is a form of a chemical taken from the seed of the cotton plant (Gossypium). It blocks the growth of cells and may kill cancer cells. Gossypol acetic acid may also act as a male contraceptive (form of birth control).