system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The tongue is formed from
assistant
The correct answer is  The tongue has contributions from all pharyngeal arches which changes with time.
The tongue initially begins as swelling rostral to foramen cecum, the median
tongue bud.
Arch 1 - oral part of tongue (anterior 3/2)
Arch 2 - initial contribution to surface is lost
Arch 3 - pharyngeal part of tongue (posterior 1/3)
Arch 4 - epiglottis and adjacent regions