NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,791 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.

antianxiety agent
(AN-tee-ang-ZY-eh-tee AY-jent)
A drug used to treat symptoms of anxiety, such as feelings of fear, dread, uneasiness, and muscle tightness, that may occur as a reaction to stress. Most antianxiety agents block the action of certain chemicals in the nervous system. Also called anxiolytic and anxiolytic agent.