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''Synonym: posterior ear muscle''
''Synonym: posterior ear muscle''


==Definition==
==Definition==
The '''Musculus auricularis posterior''' is a mimic muscle that belongs to the group of external ear muscles.
The '''posterior auricular muscle''' (musculus auricularis posterior) is a [[Corpus:Facial muscle|facial muscle]] that belongs to the group of [[Corpus:External ear muscles|external ear muscles]].


==Course==
==Course==
The origin of the posterior auricular muscle is at the mastoid process. It attaches to the posterior edge of the ear. When contracted, it exerts a backward pulling action on the pinna.
The posterior auricular muscle originates from the [[Corpus:Mastoid process|mastoid process]] of the [[Corpus:Temporal bone|temporal bone]] and attaches to the posterior edge of the ear ([[Corpus:Auricle|auricle]]). When it contracts, it pulls the auricle backward.
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==Innervation==
==Innervation==
The posterior auricular muscle is innervated by the posterior auricular nerve of the facial nerve (VII).
The posterior auricular muscle is innervated by the [[Corpus:Posterior auricular nerve|posterior auricular branch]] of the [[Corpus:Facial nerve|facial nerve]] (cranial nerve VII).
[[Kategorie:Corpus]]
[[Kategorie:Corpus]]
[[Kategorie:Head]]
[[Kategorie:Head]]
[[Kategorie:Muscle]]
[[Kategorie:Muscle]]

Aktuelle Version vom 4. August 2024, 11:59 Uhr

Synonym: posterior ear muscle

Definition

The posterior auricular muscle (musculus auricularis posterior) is a facial muscle that belongs to the group of external ear muscles.

Course

The posterior auricular muscle originates from the mastoid process of the temporal bone and attaches to the posterior edge of the ear (auricle). When it contracts, it pulls the auricle backward.

Innervation

The posterior auricular muscle is innervated by the posterior auricular branch of the facial nerve (cranial nerve VII).