Question

Identify the two small apertures present in the auditory capsule of rabbit.

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

Answer 1

The correct option is C Fertestra ovalis and fenestra rotunda

The rabbit skull has three types of sensory capsules, olfactory, auditory and optic. The auditory capsule is the cartilaginous capsule that encloses the middle and inner part of the ear in vertebrates. In rabbits, auditory capsule encloses the organs of hearing. Each auditory capsule has a single auditory bone called preotic which has two aperture called fenestra ovalis and fenestra rotunda.