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NCI Dictionary of Cancer Terms

type 3 serotonin receptor antagonist  listen  (tipe 3 SAYR-uh-TOH-nin reh-SEP-ter an-TA-guh-nist)

  A type of drug used to treat certain types of irritable bowel syndrome and relieve nausea and vomiting. It is a type of antiemetic. Also called 5-HT3 receptor antagonist and 5-hydroxytryptamine 3 receptor antagonist.