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: Pathology
[{'content': 'Principal cell in granuloma is \nSelect and explain. \nA. Lymphocyte, B. Histiocyte, C. Langhyans, D. Giant cell', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Histiocyte Granuloma is characteristic ofgranulomatous inflammation. o The major cell of granuloma is epitheloid cell which is a modified tissue macrophage (histiocyte) that has been transformed into epithelium like cell.", 'role': 'assistant'}]