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: Anatomy
Hassals corpuscles are seen in : 
Select and explain. 
A. Thymus, B. Spleen, C. Lymph node, D. Appendix
A: Thymus
Answer: A: Thymus 
Explanation: A i.e. Thymus