NEET PG DENTAL EXAM

HISTOLOGY

URINARY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The urinary bladder has openings for the ____ and the ____
A
urethra, kidneys
B
urethras, detrusor
C
ureters, kidneys
D
ureters, urethra
Explanation: 

Detailed explanation-1: -Two of the openings are from the ureters and form the base of the trigone . Small flaps of mucosa cover these openings and act as valves that allow urine to enter the bladder but prevent it from backing up from the bladder into the ureters. The third opening, at the apex of the trigone, is the opening into the urethra.

Detailed explanation-2: -The fundus of the bladder contains three openings which form the trigone of the bladder; the internal urethral orifice and the two ureteric orifices.

There is 1 question to complete.