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Anterior auricular muscle

Muscle connectingthe epicranial aponeurosis to the helix of the ear

Field	Value
Name	Anterior auricular muscle
Latin	musculus auricularis anterior
Image	Sobo 1909 260 - Auricularis anterior.png
Caption	Face and neck muscles. Anterior auricular muscle shown in red.
Image2	Gray906 - Anterior auricular muscle.png
Caption2	The muscles of the auricula. Anterior auricular is at right (indicated by the red arrow).
Origin	Temporal fascia
Insertion	Major helix (ear)
Blood	Posterior auricular artery
Nerve	Temporal branch of facial nerve
Action	Pulls ear forward

The anterior auricular muscle, the smallest of the three auricular muscles, is thin and fan-shaped, and its fibers are pale and indistinct. It arises from the lateral edge of the epicranial aponeurosis, and its fibers converge to be inserted into a projection on the front of the helix.

Structure

The anterior auricular muscle arises from the lateral edge of the epicranial aponeurosis. It inserts into a projection on the front of the helix.

Nerve supply

The anterior auricular muscle is supplied by the temporal branch of the facial nerve (VII). It may also receive some small branches from the auriculotemporal nerve, a branch of the mandibular nerve, itself a branch of the trigeminal nerve (V).

Relations

The anterior auricular muscle is the smallest of the three auricular muscles.

The superficial temporal artery, a branch of the external carotid artery, travels underneath the anterior auricular muscle to supply the auricle of the outer ear.

Function

The anterior auricular muscle draws the auricle of the outer ear upwards and forwards. This is a very subtle movement in most people, although some people can wiggle their ears.

Additional images

File:Auricularis anterior.png|Auricula in context.

References

Niamtu, Joseph. (2018). "Cosmetic Facial Surgery". [[Elsevier]].
(2009). "Manual therapy for the cranial nerves". [[Churchill Livingstone]] / [[Elsevier]].
Rea, Paul. (2016). "Essential clinically applied anatomy of the peripheral nervous system in the head and neck". [[Academic Press]], [[Elsevier Science]].
(2009). "Manual Therapy for the Cranial Nerves". [[Churchill Livingstone]] / [[Elsevier]].

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

muscles-of-the-head-and-neck

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