The Epithelial Lining of the External Auditory Meatus

Question

The epithelial lining of the external auditory meatus
A) continues as both the superficial and deep layers of the tympanic membrane.
B) relies upon secreting epithelial cells of the middle ear for lubrication.
C) continues as the superficial layer of the tympanic membrane.
D) none of the above.

Accepted Answer

The epithelial lining of the external auditory meatus continues as the superficial layer of the tympanic membrane, not both layers. The deep layer is derived from the middle ear mucosa.