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Spinal Anatomy Final Exam > The Ear > Flashcards

Flashcards in The Ear Deck (8)
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1
Q

What is the name given to the “goat’s beard” of the auricle?

A

tragus

2
Q

What is the name of the palpable posterior projection of the eminentia concha of the auricle?

A

ponticulus

3
Q

Which cranial nerve will innervate the muscles of the auricle?

A

the facial nerve

4
Q

Sensory innervation of the auricle is derived from which nerves?

A

greater auricular (ventral rami C2, C3)
lesser occipital nerve (ventral rami C2, possibly C3)
auriculotemporal nerve (mandibular division, trigeminal)
posterior auricular cutaneous nerve (facial)
auricular nerve (vagus)

5
Q

The lateral third of the external acoustic meatus is protected by_____.

A

cartilage

6
Q

The medial third of the external acoustic meatus is protected by _________.

A

the temporal bone

7
Q

Skin lining the external acoustic meatus contains what modified sebaceous glands?

A

ceruminous glands

8
Q

What is cerumen?

A

a product of ceruminous glands forming the bulk of ear wax