It anastomoses with the internal thoracic artery, subscapular, and intercostal arteries, and with the pectoral branch of the thoracoacromial artery.
Just as with supplying the subclavius muscle, it anastomoses with the thoracoacromial artery in supplying skin areas.
The suprascapular artery gives of the acromial branch, which pierces the trapezius muscle and supplies the skin over the acromion, anastomosing with the thoracoacromial artery.
