Question: what is the duodenum jejunum and ileum?
Answer: The jejunum is the midsection of the small intestine, connecting the duodenum to the ileum. ... The suspensory muscle of duodenum marks the division between the duodenum and the jejunum. The ileum: The final section of the small intestine. It is about 3 m long, and contains villi similar to the jejunum.