Which of the following aeries supply pectoralis major muscle? 1. Pectoral branches of thoracoacromial aery 2. Intercostal aery 3. Lateral thoracic aery 4. Subclan aery 5. Internal mammary aery
High-Yield Explanation
Blood supply of pectoralis major: Pectoralis major derives it blood supply mainly from pectoral branch of the thoracoacromial aery. Other aeries supplying the muscle are: First perforating branch of the internal thoracic aery (Internal mammary aery) and intercostal aery.