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.

spinal canal
(SPY-nul kuh-NAL)
The narrow, fluid-filled space in the spinal column (the bones, muscles, tendons, and other tissues that reach from the base of the skull to the tailbone). The spinal cord runs through the spinal canal.