<prompt> All of the following structures pierce through Clavipectoral fascia except ?Lateral pectoral nerveThoraco-acromial aeryCephalic veinMedial pectoral nerve  <response>: Structures piercing through the Clavipectoral fascia are: Lateral pectoral nerve Thoracoacromial aery Lymphatics Cephalic vein Reference: Chaurasia; 6th edition. 