Thoracodorsal nerve C6-8 arises posterior cord brachial plexus and passes below axillary vein. Supplies latissimus dorsi.
Runs on posterior axillary wall in conjuction with artery and vein forming thoracordorsal bundle Initially starts high up behind subscapular artery, but crosses to run in front
Runs on posterior axillary wall, crossing lower border teres major to enter LD
