NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,942 terms related to cancer and medicine.

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microRNA
(MY-kroh …)
A type of RNA found in cells and in blood. MicroRNAs are smaller than many other types of RNA and can bind to messenger RNAs (mRNAs) to block them from making proteins. MicroRNAs are being studied in the diagnosis and treatment of cancer. Also called miRNA.