<prompt> The ureter is identified at operation by:Rich arterial plexusPeristaltic movementRelation to lumber plexusAccompanied by renal vein  <response>: At operation, the ureter is recognized by:Its pale glistening appearanceBy a fine longitudinal plexus of vessels on its surfaceMore particularly by its peristaltic movementBy palpation between finger and thumb as a firm cord which, when escapes, gives a characteristic snap.The absence of pulsation does not serve to identify a structure as ureter because veins and obliterated umbilical artery are also non-pulsatile. 