Question

which of the following structures is not part of the external ear?
a auricle
b malleus
c auditory canal
d tympanic membrane

Explanation:

The external ear consists of the auricle (pinna) and the auditory canal. The tympanic membrane (eardrum) is at the end of the auditory canal and is also considered part of the external ear. The malleus, however, is one of the three ossicles (malleus, incus, stapes) in the middle ear.

Answer:

B. malleus