part_of part of part of develops_from develops from develops from organ part tongue lingual swellings anterior part of tongue https://upload.wikimedia.org/wikipedia/commons/4/4c/Illu04_tongue.jpg anterior 2/3 of the tongue apex linguae FMA:229084 front of the tongue check NCIT The portion of the tongue in front of the terminal sulcus. At the apex, thin and narrow, it is directed forward against the lingual surfaces of the lower incisor teeth. It is derived primarily from the first pharyngeal arch. uberon Wikipedia:Anterior_tongue anterior two thirds of the tongue EMAPA:37437 pars anterior dorsi linguae apex of the tongue anterior 2/3 of tongue oral part of the tongue UBERON:0010032 NCIT:C32130 UMLS:C0226946 The lateral lingual swellings grow and fuse with eachother, encompassing the tuberculum impar to provide the ectodermally derived mucosa of the anterior 2/3 of the tongue buccal part of the tongue structure with developmental contribution from neural crest