kidney cortex morphology trait kidney tubule morphology trait convoluted tubule morphology trait Trait.ontology Any measurable or observable characteristic related to the shape, structure, color, or pattern of the convoluted segments of nephron made up of the proximal tubule, leading from the glomerular capsule to the descending limb of Henle's loop, and the distal tubule, leading from the ascending limb of Henle's loop to a collecting tubule. VT:0010067 2010-02-19T10:42:05Z caripark