This flashcard is just one of a free flashcard set. See all flashcards!
67
what does the external auditory canal consists of?
what is the ishtmus?
what is the ishtmus?
Outer 1/3 cartilagenous, medial 2/3 bony
Outer 1/3 has hair, sebaceous glands and ceruminous glands
Medially ends in tympanic membrane
Narrowest part is few mm. from T.M.- called Isthmus
