NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,098 terms related to cancer and medicine.

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ileum
(IH-lee-um)
The last part of the small intestine. It connects to the cecum (first part of the large intestine). The ileum helps to further digest food coming from the stomach and other parts of the small intestine. It absorbs nutrients (vitamins, minerals, carbohydrates, fats, proteins) and water from food so they can be used by the body.