noun🔗ShareIléonThe last, and usually the longest, division of the small intestine; the part between the jejunum and large intestine."During digestion, nutrients are absorbed into the bloodstream through the walls of the ileum. "Pendant la digestion, les nutriments sont absorbés dans la circulation sanguine à travers les parois de l'iléon.anatomyorganbodyphysiologymedicinebiologyChat with AIVocabulary GamePractice Reading