External Ear

Question 1

Pinna

Answer 1

• also called auricle
• the shell of the ear
• function is to funnel sound waves into the ear canal

Question 2

External Acoustic Meatus

Answer 2

• ear canal
• short curved tube that extends from pinna to eardrum
• lined with sweat glands called ceruminous glands that secrete ear wax

Question 3

Tympanic Membrane

Answer 3

• the eardrum
• the boundary between the outer and middle ears

Question 4

Tympanic Cavity

Answer 4

• the middle ear
• ## small air filled mucus lined cavity in the petrous part of the temporal bone

Question 5

Auditory Ossicles

Answer 5

Malleus (hammer)
- secured to the eardrum
Incus (anvil)
-
Stapes (stirrup)
-