National Cancer Institute National Cancer Institute
U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
Send to Printer
extract (EK-strakt)

 In medicine, a preparation of a substance obtained from plants, animals, or bacteria and used as a drug or in drugs.

Previous Definitions:external radiation therapy, external-beam radiation therapy, extracorporeal photopheresis, extracranial, extracranial germ cell tumor
Next Definitions:extragonadal germ cell tumor, extrahepatic, extrahepatic bile duct, extrahepatic bile duct cancer, extranodal