Which of the following aeries supply pectoralis major muscle?1. Pectoral branches of thoracoacromial aery2. Intercostal aery3. Lateral thoracic aery4. Subclan aery5. 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.