NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,492 terms related to cancer and medicine.

We offer a widget that you can add to your website to let users look up cancer-related terms. Get NCI’s Dictionary of Cancer Terms Widget.

Browse:
peritoneal cavity
(PAYR-ih-toh-NEE-ul KA-vuh-tee)
The space within the abdomen that contains the intestines, the stomach, and the liver. It is bound by thin membranes.