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
Cells of parafollicular cells are derived from? 
Select and explain. 
A. 1st branchial pouch, B. 2nd hrahchial pouch, C. 5th brachial pouch, D. 4th brachial pouch
C: 5th brachial pouch
Answer: C: 5th brachial pouch 
Explanation: C i.e. 5th brachial pouch