Changes

*The medial, intermediate and lateral auricular rami supply the outer ear, all of which are branches of the great auricular artery, which itself is a branch of the external carotid artery.

*The medial, intermediate and lateral auricular rami supply the outer ear, all of which are branches of the great auricular artery, which itself is a branch of the external carotid artery.

*The tympanic membrane is highly vascularised.

*The tympanic membrane is highly vascularised.

==Innervation==

==Innervation==