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 bud, cap and bell stage of the developing tooth are based on growth of the: 
Select and explain. 
A. Stellate reticulum, B. Dental papilla, C. Enamel organ, D. Dental sac
C: Enamel organ
Answer: C: Enamel organ 
Explanation: The bud, cap and bell stage are named after the shape of enamel organ (epithelial part of tooth germ).