Once this is done, the jejunum and ileum mainly assume the role of absorbing these molecules (amino acids, monosaccharides and lipids), which pass into the bloodstream to be used by the body. This ...

The small intestine is made up of the duodenum, jejunum, and ileum. Together with the esophagus, large intestine, and the stomach, it forms the gastrointestinal tract. In living humans, the small ...

The ileum is the final and narrowest part of the small intestine, continuing from the jejunum to the caecum of the large intestine separated by the ileocoecal valve. Absorption of vitamin B12 ...