B. The External Acoustic Meatus

Question 1

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

Answer 1

ceruminous glands

Question 2

Vascularization of the external acoustic meatus is derived from which branch(es) of the external carotid artery?

Answer 2

posterior auricular artery, internal maxillary artery, superficial temporal artery… PIS

Question 3

Sensory innervation from the external acoustic meatus is carried in which cranial nerves?

Answer 3

trigeminal & vagus nerves