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Oblique Muscle of Auricle (Left)
Muscular System

Oblique Muscle of Auricle (Left)

Musculus obliquus auriculae

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Quick Facts

Origin: Eminentia conchae.

Insertion: Eminentia fossa triangularis.

Action: Typically, no movement in humans.

Innervation: Posterior auricular nerve (CN VII).

Arterial Supply: Posterior auricular and superficial temporal arteries.

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Origin

The oblique muscle of the auricle attaches to the eminentia conchae (or conchal eminence) on the cranial surface of the auricle.

Insertion

The oblique muscle of the auricle inserts just above the concha into the eminentia fossa triangularis (or triangular fossa eminence) on the cranial surface of the auricle.

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Auricle

ScienceDirect image

The auricle is a complex fibroelastic skeleton that is covered by skin and subcutaneous tissue that directs sound into the external ear canal.

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