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
Complex granular corpuscels are produced by ? 
Select and explain. 
A. Oligodendrocytes, B. Astrocytes, C. Microglia, D. Vascular endothelium
C: Microglia
Answer: C: Microglia 
Explanation: Ans. is 'c' i.e., Microglia Complex granular corpuscels are produced by microglia.