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: Physiology
Cells which surround the oocyst in graafian follicle are called ? 
Select and explain. 
A. Discus proligerus, B. Cumulus oophoricus, C. Luteal cells, D. Villus cells
B: Cumulus oophoricus
Answer: B: Cumulus oophoricus 
Explanation: Ans. is 'b' i.e., Cumulus oophoricus Oocyte lies eccentrically in the graafian (ovarian) follicle. It is surrounded by some granulsa cells that are given the name cumulus oophoriacus (or cumulus ovaricus). The cells that attach it to the wall of the follicle are given the name discus proligerus.