abnormal renal/urinary system morphology abnormal ureterovesical junction morphology 2011-11-18T01:26:31Z MP:0011488 MPheno.ontology abnormal vesicoureteral junction morphology any structural anomaly of the valve-like structure found at the site of entry of the ureter into the urinary bladder, normally displays an oblique angulation through the detrusor to avoid reflux of urine up the ureters and the kidney csmith