Unit III - Auditory ossicles

Question 1

What are the three parts of the auditory ossicles?

Answer 1

malleus (tensor tympani muscle)

incus

stapes (stapedius muscle)

Question 2

What muscle attaches to the malleus?

Answer 2

tensor tympani muscle

function: dampens movement of malleus
innervation: nerve to medial pterygoid, mandibular n.

Question 3

What muscle attaches to the stapes?

Answer 3

stapedius muscle

function: dampens vibrations of the stapes
innervation: facial n.