Ear Anatomy

Question 1

What structures constitute the outer ear?

Answer 1

1. Auricle - helix, antihelix, concha, scapha, auricular lobule, triangular fossa
2. External acoustic meatus
3. Cartilage, temporal muscle, temporal bone

Question 2

What structures constitute the middle ear?

Answer 2

1. External acoustic meatus
2. Tympanic membrane
3. Malleus, incus, stapes
4. Tympanic cavity

Question 3

What structures constitute the inner ear?

Answer 3

1. Semi-circular canals
2. Cochlea
3. Vestibular and cochlear nerves
4. Eustachian tube

Question 4

What are the tight and loose parts of the tympanic membrane referred to as?

Answer 4

1. Tight - pars tensa

2. Loose - pars flaccida

Question 5

What are the sections of the malleolus visible under the tympanic membrane?

Answer 5

Lateral process and handle of the malleolus