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
Superior parathyroid derived from 
Select and explain. 
A. Mesoderm of 3rd pouch, B. Endoderm of 3rd pouch, C. Mesoderm of 4th pouch, D. Endoderm of 4th pouch
D: Endoderm of 4th pouch
Answer: D: Endoderm of 4th pouch 
Explanation: None