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
NOT a content of Rectus sheath among the following is 
Select and explain. 
A. Pyramidalis, B. Superior epigastric artery, C. T12, D. T6
D: T6
Answer: D: T6 
Explanation: Thorcoabdominal nerves (T7 - T11) and Subcostal nerve ( T12) are the nerves of Rectus sheath. T6 is not the content of Rectus sheath