Question

Identify two small apertures present in auditory capsule.

• A. Foramen magnum and formen ovale
• B. Foramen ovale and fossa ovalis
• C. Fenestra ovalis and obturator foramen
• D. Fenestra ovalis and fenestra rotunda

Answer 1

The correct option is D Fenestra ovalis and fenestra rotunda

Fenestra ovalis is known as oval window and fovea rotunda is known as round window. Oval window is a opening that connects middle ear to the vestibule of inner ear. Round window is present below the oval window. Oval and round window are two small openings or apertures present in auditory capsule which is a bony or cartilaginous capsule enclosing the parts of middle and inner ear.

So, the correct answer is 'Fenestra ovalis and fenestra rotunda'.