Flashcards in The External Acoustic Meatus Deck (8)
The external acoustic meatus lies between what boundaries?
concha of the auricle and the tympanic membrane of the middle ear
The lateral third of the external acoustic meatus is protected by what?
What part of the medial external acoustic meatus is protected by bone?
the medial two thirds
Skin lining the external acoustic meatus contains what modified sebaceous glands?
What is cerumen?
the product of ceruminous glands forming the bulk of ear wax
Vascularization of the external acoustic meatus is derived from which branches of the external carotid artery?
- posterior auricular a.
- internal maxillary a.
- superficial temporal a.
Sensory innervation of the external acoustic meatus is accomplished by which C.N.?