Dorsal Scapular Artery

The Dorsal Scapular artery is variable in origin, arising from the second or third part of the subclavian artery or as the deep branch of the transverse cervical artery. The dorsal scapular artery courses through the trunks of the brachial plexus before turning deep to the levator scapulae to supply the rhomboids.

When the axillary artery is ligated or obstructed, collateral circulation is provided by the dorsal scapular artery.