This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
[{'content': 'Ectopic rest of normal tissue is known as \nSelect and explain. \nA. Choristoma, B. Hamaoma, C. Pseudotumor, D. Lymphoma', 'role': 'user'}, {'content': "Answer: A \nExplanation: choristoma is an ectopic rest of normal tissue. These are proliferation of any histologically normal tissue in an abnormal location Ref ganong's review of medical physiology 25e", 'role': 'assistant'}]