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
Russell's bodyare accumulations of : 
Select and explain. 
A. Cholesterol, B. Lipoprotein, C. Immunoglobulin, D. Phospholipids
B: Lipoprotein
Answer: B: Lipoprotein 
Explanation: Ref, Robbins 9/e p63