Tonsil is formed from
Second Pouch(a) The epithelium of the ventral pa of this pouch contributes to the formation of the tonsil.(b) The dorsal pa takes pa in the formation of the tubotympanic recess.Reference: Inderbir Singh Embryology; 10th edition; Page no: 135
Ist Pharyngeal pouch
IInd Pharyngeal pouch
IIIrd Pharyngeal pouch
IV Pharyngeal pouch
General anatomy