This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2017, Subject name: Anatomy
[{'content': 'Rectus sheath is contributed by? \nSelect and explain. \nA. External and internal oblique aponeurosis, B. Internal oblique and transversus abdominis aponeurosis, C. External, internal oblique and transversus abdominis aponeurosis, D. Aponeurosis of Internal oblique and transverse abdominis & fascia transversalis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The rectus sheath, also called the rectus fascia, is formed by the aponeurosis of the transverse abdominus and the internal and external oblique muscle. It contains the rectus abdominis and pyramidalis muscles.', 'role': 'assistant'}]