NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,847 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.

chaste tree berry
(chayst ... BAYR-ee)
An extract made from the fruit of the chaste tree (Vitex agnus-castus) found in parts of Asia and Europe. It is claimed to treat infertility and to lessen symptoms that may occur before or during a woman’s menstrual period, such as headaches and irregular bleeding. Chaste tree berry may affect levels of reproductive hormones in the blood. It is a type of phytomedicine. Also called monk’s pepper and Vitex.