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
Which of the following structure is present in posterior axillary wall? 
Select and explain. 
A. Thoracodorsal aery, B. Long thoracic nerve of bell, C. Subscapular aery, D. Axillary aery
C: Subscapular aery
Answer: C: Subscapular aery 
Explanation: Subscapular aery