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Dictionary of Cancer Terms

View in Spanish: Biological agent (en inglés)

Biological agent (BY-oh-LAH-jih-kul AY-jent)
A substance that is made from a living organism or its products and is used in the prevention, diagnosis, or treatment of cancer and other diseases. Biological agents include antibodies, interleukins, and vaccines. Also called biologic agent and biological drug.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.