Definitions

orificium

Vulval vestibule

The Vulval vestibule (or "Vulvar vestibule") is a part of the vulva between the labia minora that the urethral opening and the vaginal opening open into. Its edge is marked by the Hart's Line.

The external urethral orifice (orificium urethræ externum; urinary meatus) is placed about 2.5 cm behind the glans clitoridis and immediately in front of that of the vagina; it usually assumes the form of a short, sagittal cleft with slightly raised margins. Nearby are the openings of the Skene's ducts.

The vaginal orifice is a median slit below and behind the opening of the urethra; its size varies inversely with that of the hymen.

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