The ileum is the last section of the small intestine. It is between 2 and 4 meters long in humans.
Images for kids
Goblet cells in the wall of an ileum vili. At its sides, enterocytes are visible over a core of lamina propria.
Cross section of ileum with a Peyer's patch circled.
Ileum Facts for Kids
. Homework Help - Kiddle Encyclopedia.