NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,893 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.

Ashkenazi Jews
(ASH-keh-NAH-zee jooz)
One of two major ancestral groups of Jewish individuals. The ancestors of Ashkenazi Jews lived in Central and Eastern Europe (e.g., Germany, Poland, Russia). The other group is called Sephardic Jews and includes those whose ancestors lived in North Africa, the Middle East, and Spain. Most Jews living in the United States are of Ashkenazi descent.