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.
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.
