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
The formation of the dental lamina is initiated by 
Select and explain. 
A. Forebrain, B. Rathke's pouch, C. Neural crest cells, D. Odontoblasts
C: Neural crest cells
Answer: C: Neural crest cells 
Explanation: None