sense organ tongue http://upload.wikimedia.org/wikipedia/commons/a/a6/Tongue.agr.jpg BTO:0001385 uberon glossal Most adult amphibians have a tongue, as do all known reptiles, birds and mammals. Thus it is likely that the tongue appeared with the establishment of tetrapods and this structure seems to be related, to some extant, to the terrestrial lifestyle.[well established][VHOG] EFO:0000833 EMAPA:17185 AAO:0010360 EHDAA:9144 NCIT:C12422 EV:0100058 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.. tongue muscles derive from the somites - http://php.med.unsw.edu.au/embryology/index.php?title=Tongue_Development#Pharyngeal_Arch_Contributions ZFA:0005333 FMA:54640 Many species of fish have small folds at the base of their mouths that might informally be called tongues, but they lack a muscular structure like the true tongues found in most tetrapods MAT:0000040 OpenCyc:Mx4rvVjmJ5wpEbGdrcN5Y29ycA_53KXLq9EdqAAAACs6hnmQ CALOHA:TS-1050 MA:0000347 TAO:0005333 EHDAA2:0002062 in MA the tongue is part of the oral region, which in uberon is treated as the oral opening. consider revising oral opening - oral region equivalence. lingual MESH:D014059 The tongue is the movable, muscular organ on the floor of the mouth of most vertebrates, in many other mammals is the principal organ of taste, aids in the prehension of food, in swallowing, and in modifying the voice as in speech[GO][GO:0043586]. UBERON:0001723 GAID:816 A muscular organ in the floor of the mouth. Muscular organ in the floor of the mouth.[FEED] MIAA:0000040 XAO:0000446 glossus VHOG:0000419 A mobile mass of muscular tissue that is covered with mucous membrane, occupies much of the cavity of the mouth, forms part of its floor, bears the organ of taste, and assists in chewing and swallowing. [TFD][VHOG] UMLS:C0040408 structure with developmental contribution from neural crest digestive system element