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
Aggregates of 'tau protein' seen in Hippocampus of an elderly man  is 
Select and explain. 
A. Miculicz cells, B. Neurofibrillary'tangles, C. Senile plaques, D. Alcoholic/ Mallory hyaline bodies
B: Neurofibrillary'tangles
Answer: B: Neurofibrillary'tangles 
Explanation: Neurofibrillary tangles (Disease: Alzeihmer's disease)