Preduodenal portal vein.
D000015:Abnormalities, Multiple; D002675:Child, Preschool; D004380:Duodenal Obstruction / Q000209:etiology; D004386:Duodenum; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007415:Intestinal Obstruction / Q000150:complications; D011169:Portal Vein / Q000002:abnormalities* / Q000196:embryology