root of tongue

root of tongue

[TA] the posterior attached portion of the tongue. Synonym(s): radix linguae [TA], base of tongue

base of tongue

The portion of the tongue directed posteriorly and superiorly, which lies behind the sulcus terminalis and attaches into the hyoid bone.
 
Surgical anatomy
An area defined by the American Joint Committee on Cancer as extending from the line of the circumvallate papillae to the junction of the base of the epiglottis (valleculae), including the pharyngoepiglottis and glossoepiglottic folds.

root of tongue

(rūt tŭng) [TA] The posterior attached portion of the tongue.

root of tongue

(rūt tŭng) [TA] Posterior attached portion of tongue.
Synonym(s): base of tongue.