Question

Vestibule is constituted by

• A. Semicircular canals and utriculus
• B. Sacculus and utriculus
• C. Sacculus and ampullae
• D. Ampullae and lagena

Answer 1

The correct option is B Sacculus and utriculus

Vestibule is a part of bony labyrinth in inner ear. It is located medial to tympanic cavity or ear drum in front of semi-circular canals. Vestibule along with semi-circular canals constitute vestibular apparatus which maintain balance and posture of body. It consists of saccule and utriculus which are otolith organs of inner ear and maintain static balance of body.

So, the correct answer is 'Sacculus and utriculus'.