True about ureter's entry into bladder
The Urinary System: Ureter and Urinary Bladder. Ureters are 10 inch long tubes that carry urine from kidneys into urinary bladder. Their oblique entry into the bladder prevents backflow of urine and increased pressure within the bladdercompresses the distal ends of the ureters shut . Ref - BDC vol2 6e pg318
At medial angle of trigone
At lateral angle of trigone
Make an angle
Is straight
Abdomen and pelvis