NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,899 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.

endothelial cell
(EN-doh-THEE-lee-ul sel)
The main type of cell found in the inside lining of blood vessels, lymph vessels, and the heart.