Vaginal orifice
Encyclopedia
The vaginal orifice is a median slit below and behind the opening of the urethra
; its size varies inversely with that of the hymen
.
Urethra
In anatomy, the urethra is a tube that connects the urinary bladder to the genitals for the removal of fluids out of the body. In males, the urethra travels through the penis, and carries semen as well as urine...
; its size varies inversely with that of the hymen
Hymen
The hymen is a membrane that surrounds or partially covers the external vaginal opening. It forms part of the vulva, or external genitalia. The size of the hymenal opening increases with age. Although an often practiced method, it is not possible to confirm with certainty that a girl or woman is a...
.