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
[{'content': 'Biondi Ring Tangles (BRTs) are found in - \nSelect and explain. \nA. Choroidal plexus cells, B. Golgi type II cells, C. Basket cells, D. Pia mater', 'role': 'user'}, {'content': 'Answer: A \nExplanation: BRT are intracellular inclusion bodies found in choroidal epithelial cells of choroid plexus. It consists of a lipid droplet surrounded by a ring shaped bundle of filaments.', 'role': 'assistant'}]