This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Anatomy
Rathke's pouch is derived from - 
Select and explain. 
A. Telencephalon, B. Mesencephalon, C. Metencephalon, D. Stomodaeum
D: Stomodaeum
Answer: D: Stomodaeum 
Explanation: Ans. is 'd' i.e., Stomodaeum o The Rathke's pouch is an ectodermal upgrowth from the stomodaeum in front of buccopharyngeal membrane.