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What is ileum in digestive system?

Asked By: Sarthak Mammen

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Master's in Economics & Chinese (language), University of California, San Diego Process Improvement Test Cases Inventory Management Circuits Jacksonville United States

Ileum, the final and longest segment of the small intestine. After its passage through the duodenum, where most chemical digestion takes place, chyme passes through the jejunum and ileum. The main function of the ileum is to absorb vitamin B12, bile salts, and whatever products of digestion were not absorbed by the jejunum. The ileum is the final section of the small intestine. This article covers the ileum, including its anatomy, histology, functions, and composition. Learn the digestive system anatomy with our quizzes and free learning tools.


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