kidney tubule morphology trait kidney collecting duct morphology trait Trait.ontology 2010-02-19T10:42:05Z caripark kidney collecting tubule morphology trait 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. VT:0010068