<prompt> Axillary aery is divided into 3 pas byPectoralis majorClaviclePectoralis minorTeres minor  <response>: Axillary aery is divided into 3 pas by Pectoralis minor The 3 pas are Superior thoracic aery Thoracoacromial trunk Subscapular aery Ref : BD Chaurasia Human Anatomy 5e vol 2 pg 55. 