Anterior 2/3 of tongue develops from
The anterior two-thirds: From two lingual swellings which arise from the first branchial arch. Therefore, it is supplied by lingual nerve of first arch and chorda tympani of second arch The posterior one-third: From cranial large pa of the hypobranchial eminence, that is from the third arch. Therefore, it is supplied by the glossopharyngeal nerve The posterior-most pa from the fouh arch. This is supplied by the vagus nerve <img src=" /> Ref BDC volume 3,sixth edition pg 270
1st branchial arch
2nd branchial arch
3rd branchial arch
4th branchial arch
Head and neck