noun🔗Share回腸The 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. "消化中、栄養素は回腸の壁を通して血流に吸収されます。anatomyorganbodyphysiologymedicinebiologyChat with AIVocabulary GamePractice Reading