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
Pyramidalis is supplied by ? 
Select and explain. 
A. Subcostal nerve, B. Ilioinguinal nerve, C. Iliohypogastric nerve, D. Genitofemoral nerve
A: Subcostal nerve
Answer: A: Subcostal nerve 
Explanation: Ans. is 'a' i.e., Subcostal nerve