Small intestine

Pronunciation

Definition 1

A long tube-like organ that connects the stomach and the large intestine. It is about 20 feet long and folds many times to fit inside the abdomen. The small intestine has three parts: the duodenum, jejunum, and ileum. It helps to further digest food coming from the stomach. It absorbs nutrients (vitamins, minerals, carbohydrates, fats, proteins) and water from food so they can be used by the body. The small intestine is part of the digestive system. (NCI Dictionary)

Definition 2

The section of the intestines between the pylorus and cecum. The small intestine is approximately 20 feet long and consists of the duodenum, the jejunum, and the ileum. Its main function is to absorb nutrients from food as the food is transported to the large intestine. (NCI Thesaurus)

Definition 3

The part of the digestive tract that is located between the stomach and the large intestine. (NCI Dictionary)

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