NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,926 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.

parietal peritoneum
(puh-RY-uh-tul PAYR-ih-toh-NEE-um)
The layers of tissue that line the abdominal wall and the pelvic cavity.