Oblique muscle of auricle
Musculus obliquus auriculae
Definition
The obliquus auriculae muscle is located on the outer surface of concha. Sometimes associated with the transversus auriculae muscle, it is then qualified as a vertical muscle of the auricle and corresponds to a few bundles spread out on the back of the auricle.
Origin: back of cartilage of acoustic meatus
Insertion: back of auricular cartilage
Artery: deep auricular artery (or more generally caudal auricular artery)
Nerve: caudal auricular nerve
Action: changes the shape of the cartilage of auricle
References
Constantinescu GM, Schaller O. Illustrated veterinary anatomical nomenclature, 3rd Edition, Enke Verlag, Stuttgart, 2012.
Barone R. Anatomie comparée des mammifères domestiques, Tome 2, Arthrologie et myologie, 4th edition, Vigot, Paris, 2017.