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: Pediatrics
[{'content': 'Sacro - coccygeal teratoma tumour cells consists of Cells of \nSelect and explain. \nA. Ectoderm, B. Endoderm, C. Mesoderm, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Sacro - coccygeal teratoma arises from totipotent Cells from node of Hensen. Hence it is composed of all 3 germ Cells i.e ,\xa0Ectoderm, Endoderm ,\xa0Mesoderm.', 'role': 'assistant'}]