The thoracodorsal artery is a branch of the

subscapular artery The subscapular artery, the largest branch of the axillary artery, arises from the third part of the axillary artery at the lower border of the subscapularis muscle, which it follows to the inferior angle of the scapula, where it anastomoses w ...

. It travels inferiorly with the thoracodorsal nerve and supplies the

latissimus dorsi The latissimus dorsi () is a large, flat muscle on the back that stretches to the sides, behind the arm, and is partly covered by the trapezius on the back near the midline. The word latissimus dorsi (plural: ''latissimi dorsorum'') comes from L ...

External links

* - "The axillary artery and its major branches shown in relation to major landmarks." * - "Major Branches of the Axillary Artery" * Arteries of the upper limb {{circulatory-stub