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: Anatomy
Dilator pupillae develops from ? 
Select and explain. 
A. Neural ectoderm, B. Surface ectoderm, C. Mesoderm, D. Neural crest
A: Neural ectoderm
Answer: A: Neural ectoderm 
Explanation: Ans. is 'a' i.e., Neural ectoderm