NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,208 terms related to cancer and medicine.

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cannabinoid
(kuh-NA-bih-noyd)
A type of chemical in marijuana that causes drug-like effects all through the body, including the central nervous system and the immune system. The main active cannabinoid in marijuana is delta-9-tetrahydrocannabinol (THC). Cannabinoids may help treat the symptoms of cancer or the side effects of cancer treatment.