Major blood supply of pectoralis major muscles is
Major blood Supply of Pectoralis major muscles is thoracoacromial trunk. The intercostal perforators arising from the internal mammary aery provide a segmental blood supply BD CHAURASIA'S HUMAN ANATOMY.VOLUME 1. 6TH EDITION.PAGE NO 180. TABLE A1.5:aeries of upper limb
Thoracoacromial trunk
Lateral thoracic aery
Internal mammary aery perforating branches
Axillary aery
Thorax