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: Dental
Acantholysis involves – 
Select and explain. 
A. Epidermis, B. Dennis, C. Dermo-epidermal junction, D. Subcutaneous tissue
A: Epidermis
Answer: A: Epidermis 
Explanation: Separation of epidermal keratinocytes is called acantholysis.