intestinal mucosa morphology trait duodenum mucosa morphology trait 2010-05-18T01:14:20Z VT:0010221 caripark Any measurable or observable characteristic related to the shape, structure, color or pattern of the mucous lining of the first division of the small intestine that extends from the pyloris to the junction with the jejunum; this consists of epithelium, lamina propria, and a layer of smooth muscle cells. Trait.ontology