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
Remnant of primary enamel cutlcle after eruption is known as 
Select and explain. 
A. Nasmyth’s membrane, B. Towre’s membrane, C. Towre’s cuticle, D. None of the above
A: Nasmyth’s membrane
Answer: A: Nasmyth’s membrane 
Explanation: None