Definition of "cytologist" []

• A scientist who studies the physical characteristics of chromosomes. (noun)
• A biologist who studies cells. (noun)

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• "The key to the explanation lay in the elegant studies performed by Janet Rowley, the Chicago cytologist."
• "Few scientists had studied this early transition of cancer cells as intensively as George Papanicolaou, a Greek cytologist at Cornell University in New York."
• "The Pap smear, invented by a Greek cytologist studying the menstrual cycle of guinea pigs, made it possible to catch cells at a precancerous stage and administer treatment."