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 bodies are seen in 
Select and explain. 
A. A. Lymphocytes, B. B. Neutrophils, C. C. Macrophages, D. D. Plasma cells
D: D. Plasma cells
Answer: D: D. Plasma cells 
Explanation: They are homogeneous eosinophillic inclusions that result from hugely distended endoplasmic reticulum