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
The swollen degenerating epithelial cell due to acantholysis is: 
Select and explain. 
A. Tzanck cell., B. Ghost cell., C. Prickle cell, D. Anitschow cell
A: Tzanck cell.
Answer: A: Tzanck cell. 
Explanation: None