The ileum is the final and longest segment of the small intestine, following the duodenum and jejunum. It is primarily responsible for the absorption of nutrients and bile acids.
5 Must Know Facts For Your Next Test
The ileum measures approximately 2-4 meters in length in adults.
It contains specialized cells called Peyer's patches that play a role in immune function.
Vitamin B12 and bile salts are specifically absorbed in the ileum.
The ileum connects to the large intestine at the ileocecal valve.
Peristalsis aids the movement of digested food through the ileum toward the large intestine.