ileum
/aɪˈluːm/; /iˈljuːm/Definitions
1. noun
the longest and most narrow part of the small intestine, extending from the jejunum to the large intestine, where most of the nutrient absorption from food occurs
“The surgical procedure successfully repaired a perforation in the patient’s ileum.”
2. anatomy
a part of the small intestine, specifically the last part of the small intestine, extending from the jejunum to the large intestine
“The ileum plays a crucial role in the digestion process by absorbing most of the nutrients from the food we eat.”