Definition
Definition
A vestibule refers to several anatomical areas belonging to the oral cavity.
Generalities
Generally speaking, it is the cavity that provides access to a hollow organ.
Classification
There are three vestibules:
- The vestibule of theinner ear.
- The vestibule of the appetizer.
- The vestibule of the vulva.
Anatomy
- Le ear vestibule internal, is a cavity belonging to the labyrinth of the inner earThe role of the vestibule of the inner ear is to allow an individual to maintain balance. The other organs involved in balance are the semicircular canals. The inner ear is made up of the bony vestibule, located between the cochlea (forward), and the semicircular canals (above and behind), and on the other hand, by the membranous vestibule which is contained in the previous one. This is made up of two vesicles:
- L'utricle.
- Le saccule.
- Le vestibule of the mouth is a cavity that is located between the dental arches, the lips on the one hand and the cheeks on the other.
- Le vestibule of the vulva is a space that opens:
- On the vagina, and whose limits are laterally:
- The inner face of the labia minora and big lips (ahead).
- Le clitoris (ahead).
- The posterior commissure of the labia minora backward.
- On two glands : Skene's glands and the Bartholin's glands open inside the vestibule. These glands secrete a mucus which helps lubricate the vagina.