This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Cells which surround the oocyte in Graafian follicle are called \nSelect and explain. \nA. Discus proligerus, B. Cumulus oophorous, C. Luteal cells, D. Villius cells', 'role': 'user'}, {'content': "Answer: B \nExplanation: Oocyte lies eccentrically in the ovarian follicles surround by some granulosa cells called cumulus oophorous. Discus proligerus is the attachment point of the cumulus oophorous to the most peripheral granulosa cells of an antral follice. Ref: Gray's 39e/p-210-220", 'role': 'assistant'}]