Which of the following is not a sphincter in the female urogenital tract -
Urogenital sphincters in Females
-        Vaginal sphincters

Bulbospongiosus
Sphincter urethrovaginalis
External urethral sphincter
Pubovaginalis

-        Urinary sphincters

Compressor urethrae
External urethral sphincter
Sphincter urethrovaginalis
Pubourethralis
Pubovaginalis
External urethral sphincter
Internal urethral sphincter
Bulbospongiosus