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NCI Drug Dictionary


senna fruit 
The fruit of Cassia acutifolia and Cassia angustifolia (Cassia) with laxative and purgative activities. The active ingredients in senna fruit include the hydroxyanthracene glycosides sennosides A and B (rhein dianthrones) and sennosides C and D (rhein aloe-emodin heterodianthrones). Sennosides irritate the bowel lining and stimulate the bowel muscular coat, particularly in the colon, resulting in accelerated bowel transit and evacuation. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)