This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Intracellular Accumulations, Subject name: Pathology
Brown atrophy occurs due to deposition of? 
Select and explain. 
A. Melanin, B. Hemosiderin, C. Hematin, D. Lipofuscin
D: Lipofuscin
Answer: D: Lipofuscin 
Explanation: Ans. is 'd' i.e., Lipofuscin o Deposition of lipofuscin in the heart is referred as brown atrophy.