Intrinsic muscles of the tongue are derived from?
2 nd branchial cleft
Pharyngeal arch mesenchyme
Occipital somites
Cervical somites
Most of the tongue muscles are derived from myoblasts that migrate from the occipital somites.The tongue's embryonic orgin is derived from first 4 pharyngeal arches contributing different components.Anterior 2/3" 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 2/3rd of the tongue is provided by the chorda tympani branch of the facial nerve).Post 1/3" or root of the tongue: is formed from two median elevations;