dorsum of tongue

http://purl.obolibrary.org/obo/UBERON_0009471

The superior surface of the tongue divided by the sulcus terminalis into an anterior two-thirds, the presulcal part (pars presulcalis). and a posterior one-third, the postsulcal part (pars postsulcalis). [ http://www.drugs.com/dict/dorsum-of-tongue.html ]

Synonyms: tongue dorsum, dorsum linguae, dorsal tongue