Parotidoauricular muscle
Musculus parotidoauricularis [parotideo-]
- Synonym: Parotidoauricularis muscle
Definition
The parotidoauricular muscle is a flat, cutaneous muscle connecting the region of the parotid gland to the ear pinna, which it draws caudoventrally.
Origin: ventral part of the parotid gland surface (horse), rostral border of the parotid gland, masseter muscle and mandibular gland (su), ventral part of the mandibular gland and neighboring muscles (ruminants and or), muscles of the ventral surface of the throat (carnivore)
Insertion: lateral face of the base of the auricle, at the limit of the antitragus
Artery: caudal auricular artery and arterioles of the salivary glands
Nerve: cervical branch of the facial nerve
Action: it lowers and abducts the ear
Antagonist: parietoscutularis muscle, parietoauricularis muscle, interscutularis muscle
Description: The parotidoauricularis muscle is a long and flattened band. It extends dorsally over the parotid gland to the concha of the 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.
