intestinal mucosa morphology trait ileum mucosa morphology trait Trait.ontology 2010-05-18T01:14:20Z Any measurable or observable characteristic related to the shape, structure, color or pattern of the mucous lining of the portion of the small intestine that extends from the jejunum to the colon; this consists of epithelium, lamina propria, and a layer of smooth muscle cells. caripark VT:0010223