attributed part constitutional part continuous with develops from lymphatic drainage regional part regional part of related part partition Ileocecal junction Segment of small intestine Cecum Lumen of ileum Wall of ileum Proximal part of ileum Middle part of ileum Distal part of ileum Ileal lymphatic chain Midgut Lower gastrointestinal tract Small intestine Jejunum Ileum Partition 2 Partition 1 Partition 2 Partition 1 Partition 2 7208 Ileum Iléum