Interscutular muscle
Musculus interscutularis
- Synonym: Interscutularis muscle
Definition
The interscutularis muscle is large and strong, and consists of transverse fibers from the dorsal median line (carnivore, horse) or the temporal line (pig, ruminants, horse) to the scutiform cartilage. Specifically, in the dog, it is extended directly from one scutiform cartilage to the other without insertion at the dorsal median line.
Origin: temporal line (ruminants and su), external sagittal crest and temporal line (horse), scutiform cartilage (carnivore and or)
Insertion: medio-dorsal border of the scutiform cartilage
Artery: rostral auricular artery
Nerve: auriculopalpebral nerve
Action: elevator of the cartilage of the 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.