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
Ameloblast is 
Select and explain. 
A. A cell from which tooth enamel is formed, B. A tissue from which tooth erupts, C. A tumour of the jaw, D. Pertaining to dentin
A: A cell from which tooth enamel is formed
Answer: A: A cell from which tooth enamel is formed 
Explanation: None