Organ: Small intestine

Small intestine: Smaller intestine where most nutrients are absorbed
Introduction: The small intestine receives food after the stomach, extracts various nutrients, and then passes the food to the large intestine. The connecting region between the stomach and small intestine is called the duodenum. Food in the small intestine is called chyme, and is processed by pancreatic enzumes (from the pancreas) and by bile produced by the liver. Folds in the small intestine and small projections called villi are used to absorb nutrients. The small intestine does almost all nutrient absorption, performing processing of sugars, carbohydrates, proteins, and fats, whereas the large intestine mainly absorbs water and salts from the remaining contents.
Condition count: 7 ; see list below.
Organ types: Digestive system (127), Intestine (43)
Related organs: stomach (36), intestines (43), duodenum (4), large intestine (19), bowel (19), colon (16), pancreas (24), bile (0), villi (0)
Organs: all organs

Diseases list: The following list of medical conditions have 'Small intestine' or similar listed as an affected body part in our database:


  • Cholera ... small intestine


  • Enteritis ... small intestine
  • Enterocolitis ... small intestine


  • Gastrinoma ... small intestine


  • Malabsorption ... small intestines


  • Whipple's Disease ... small intestine


  • Zollinger-Ellison syndrome ... small intestine

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