This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Paltine tonsil develops from? 
Select and explain. 
A. 1st pharyngeal arch, B. 1st pharyngeal pouch, C. 2nd pharyngeal arch, D. 2nd pharyngeal pouch
D: 2nd pharyngeal pouch
Answer: D: 2nd pharyngeal pouch 
Explanation: The palatine tonsil develops (on each side)in relation to the lateral pa of the second pharyngeal pouch.the endoderm lining the pouch undergoes considerable proliferation.it invades the underlying mesoderm of second arch,which forms the tonsilar strauma HUMAN EMBRYOLOGY-INDERBIR SINGH TENTH EDITION-PAGE NO:178