<prompt> Intrinsic muscles of the tongue are derived from?2 nd branchial cleftPharyngeal arch mesenchymeOccipital somitesCervical somites  <response>: Most of the tongue muscles are derived from myoblasts that migrate from the occipital somites.The tongues embryonic orgin is derived from first 4 pharyngeal arches contributing different components.Anterior 23 or body of tongue: is derived from 3 lingual buds- the median tongue bud tuberculum impar and 2 lateral lingual swellings developing at each side of the median tongue bud. Taste sensation to the anterior 23rd of the tongue is provided by the chorda tympani branch of the facial nerve.Post 13 or root of the tongue: is formed from two median elevations; 