kidney tubule morphology trait kidney collecting duct morphology trait 2010-02-19T10:42:05Z Any measurable or observable characteristic related to the shape, structure, color, or pattern of the small ducts that receive urine from several renal tubules, which converge to join larger collecting tubules (papillary ducts of Bellini) that open into the renal pelvis. Trait.ontology VT:0010068 caripark kidney collecting tubule morphology trait