This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Clavipectoral fascia is pierced by all of the following structures, EXCEPT? 
Select and explain. 
A. Medial pectoral nerve, B. Lateral pectoral nerve, C. Cephalic vein, D. Thoracoacromial vessels
A: Medial pectoral nerve
Answer: A: Medial pectoral nerve 
Explanation: Clavipectoral fascia is a strong sheet of connective tissue situated deep to the clavicular poion of the pectoralis major muscle. It splits above to enclose the subclavius muscle and connects to the corocoid. Below to enclose the pectoralis minor and continues downward as suspensory ligament of the axilla. It is pierced by the following structures: a) Lateral pectoral nerve b) Cephalic vein c) Thoracoacromial vessels d) Lymphatics from breast and pectoral region