has part has part has_part characteristic of part of has modifier abnormal duodenum morphology abnormal small intestine crypts of Lieberkuhn morphology abnormal duodenum crypts of Lieberkuhn morphology abnormal duodenum crypt morphology any structural anomaly of the intestinal crypts located in the mucosa of the duodenum, the first division of the small intestine that extends from the pyloris to the junction with the jejunum abnormal duodenal crypt morphology MP:0013482 morphology abnormal crypt of Lieberkuhn of duodenum