The size of the Fenestra vestibule on an average is
The size of the Fenestra vestibule on an average is 3.25 mm long and 1.75 mm wide. Ref- Dhingra ENT Textbook 6th edition.
3.50 mm long and 2.50 mm wide
3.25 mm long and 1.75 mm wide
3.75 mm long and 1.50 mm wide
4.00 mm long and 2.00 mm wide
Ear