Spherical recess
Recessus sphaericus
- Latin synonym: Recessus sphericus; Recessus saccularis
- Synonym: Saccular recess
- Related terms: Spherical recess; Saccular recess
Definition
On the medial wall of the vestibule, at the forepart, is a small circular depression, the recessus sphæricus, which is perforated, at its anterior and inferior part, by several minute holes (macula cribrosa media) for the passage of filaments of the acoustic nerve to the saccule; and behind this depression is an oblique ridge, the crista vestibuli, the anterior end of which is named the pyramid of the vestibule.
References
