<prompt> True about ureters entry into bladder-a At medial angle of trigoneb At lateral angle of trigonec Make an angled Is straighte Valvelessbcebcacdace  <response>: Ureter opens into the lateral angle of trigone of the bladder.It passes obliquely at an angle through the bladder wall. This intravesical oblique course has a valvular action but there is no true valve. 