504 



GENITO-URINARY REGIONS. 



In females the ureters and kidneys can be examined in the same \ 

 way, but the bladder and the canal of the urethra must be reached i 



through the vagina. About 2 or 2^ inches from the vulva on the floor 

 of the vagina is the entrance to the urethra, covered with a special valve. 

 The meatus becomes visible by separating the lips of the vulva and the 



