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
Wallerian degradation includes 
Select and explain. 
A. Axon degradation, B. Myelin degradation, C. Phagocytosis to clear the injury site, D. All
D: All
Answer: D: All 
Explanation: Distal degradation also called wallerian degradation includes 3 major steps Axon degradation Myelin degeneration Phagocytosis to clear injury site It occures with 24 hrs Ref:Guyton and Hall textbook of medical physiology 12th edition,page number :74,75,76