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1. (n.) digestive system
the system by which ingested food is acted upon by physical and chemical means to provide the body with absorbable nutrients and to excrete waste products: in mammals the system includes the alimentary canal extending from the mouth to the anus and the hormones and enzymes assisting in digestion.
Etymology: (1950–55)
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| Definition of 'digestive system' |
Princeton's WordNet |
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1. (noun) digestive system, gastrointestinal system, systema alimentarium, systema digestorium
the system that makes food absorbable into the body
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| Definition of 'digestive system' |
U.S. National Library of Medicine |
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1. digestive system
A group of organs stretching from the MOUTH to the ANUS, serving to breakdown foods, assimilate nutrients, and eliminate waste. In humans, the digestive system includes the GASTROINTESTINAL TRACT and the accessory glands (LIVER; BILIARY TRACT; PANCREAS).
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Definitions of digestive system 
