A Meckel's diverticulum incorporated into the lumen of the proximal bowel.
D002648:Child; D006801:Humans; D007078:Ileal Neoplasms / Q000209:etiology*; D007417:Intestinal Polyps / Q000209:etiology*; D008297:Male; D008467:Meckel Diverticulum / Q000150:complications* / Q000196:embryology / Q000473:pathology