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
Posterior wall of the axilla is formed by all of the following muscles, EXCEPT: 
Select and explain. 
A. Teres major, B. Teres minor, C. Subscapularis, D. Latissimus dorsi
B: Teres minor
Answer: B: Teres minor 
Explanation: Posterior wall of axilla consists of teres major, subscapularis and latissimus dorsi. The impoant relations of the posterior wall are subscapular vessels, subscapular and thoracodorsal nerves and posterior or subscapular lymph nodes. The posterior axillary fold is formed by the teres major and latissimus dorsi muscles and it becomes prominent when the arm is adducted against resistance. Anterior wall of the axilla consists of pectoralis major, pectoralis minor, clavipectoral fascia, and subclavius muscle. The lateral thoracic vessels and anterior or pectoral group of lymph nodes are present inside this wall. Ref: Clinical Anatomy: (a Problem Solving Approach) By Kulkarni page 94.