Unit III - Auditory ossicles Flashcards
1
Q
What are the three parts of the auditory ossicles?
A
malleus (tensor tympani muscle)
incus
stapes (stapedius muscle)
2
Q
What muscle attaches to the malleus?
A
tensor tympani muscle
function: dampens movement of malleus
innervation: nerve to medial pterygoid, mandibular n.
3
Q
What muscle attaches to the stapes?
A
stapedius muscle
function: dampens vibrations of the stapes
innervation: facial n.