Parietoauricular muscle

Musculus parietoauricularis

  • Synonym: Parietoauricularis muscle

Definition

Marjorie Champarou

The parietoauricularis muscle is a deep muscular blade in relation to the inter- and the cervicoscutularis muscles. It forms a large band with the parietoscutularis muscle that originates on the caudal part of the temporal line (pig, rabbit) or the external sagittal crest (horse, carnivore). It detaches from the parietoscutularis muscle to insert on the medio-caudal surface of the concha of auricle.

Origin: caudal part of the temporal line (pig, rabbit), external sagital crest (horse, carnivore), behind the intercornual protuberance, close to the middle part of the parietal bone (ruminants)Insertion: medio-caudal surface of the concha of auricle

Artery: caudal auricular artery

Nerve: caudal auricular nerve

Action: it raises the concha of auricle

Antagonist: parotidoauricularis muscle

References

Barone R. Anatomie comparée des mammifères domestiques, Tome 2, Arthrologie et myologie, 4th edition, Vigot, Paris, 2017.

Constantinescu GM, Schaller O. Illustrated veterinary anatomical nomenclature. 3rd Edition. Enke Verlag, Stuttgart, 2012.

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