Sternocephalicus

M. sternocephalicus

Long muscle of the ventrolateral neck, from the sternum to the head.

Draft, not yet reviewed by a veterinarian. Content may contain errors. It is published so the community can review it.

This piece is a schematic shape, not a scan: there is no freely licensed model for this structure yet.

3D model of this piece: Vet Atlas procedural musculature, CC BY-SA 4.0

Overview

It has a mastoid part and an occipital part.

Manubrium of the sternum.

Mastoid process of the temporal bone (mastoid part) and nuchal crest of the occipital bone (occipital part).

Draws the head and neck ventrally or to the same side.

Ventral branch of the accessory nerve (n. accessorius).

It forms the ventral border of the jugular groove, used to locate and puncture the external jugular vein.