NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,848 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.

cell-to-cell signaling
(sel-too-sel SIG-nuh-ling)
The transfer of information from one cell to another. Cells signal each other by direct contact with each other or by the release of a substance from one cell that is taken up by another cell. Cell-to-cell signaling is important for cells to grow and work normally. Cells that lose the ability to respond to signals from other cells may become cancer cells. Also called cell-cell signaling and intercellular communication.