Vestibule
Vestibulum
Sensory (eye & ear)OrgansHeadLeft and right
View left in 3D View right in 3D
- What it is
- The central chamber of the bony labyrinth, between the cochlea in front and the semicircular canals behind, with the oval window in its lateral wall. It contains the two otolith organs, the utricle and the saccule.
- Function
- Houses the gravity and linear-acceleration sensors and connects the cochlea to the semicircular canals.
- Size
- About 4 mm wide, 5 mm long and 3 mm deep.
- Clinical note
- Its medial wall borders the internal acoustic meatus, through which the vestibular nerves leave for the brainstem.