ileum(redirected from Ileal diseases)
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muscular hoselike portion of the gastrointestinal tract extending from the lower end of the stomach (pylorus) to the anal opening. In humans this fairly narrow (about 1 in./2.
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The last portion of the small intestine, extending from the jejunum to the large intestine.
1. the part of the small intestine between the jejunum and the caecum
2. the corresponding part in insects