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
Lines of Zahn occur in - 
Select and explain. 
A. Postmortem clot, B. Infarct, C. Embolus, D. Coralline thrombus
D: Coralline thrombus
Answer: D: Coralline thrombus 
Explanation: It is seen in Primary platelet thrombi.