Definition of Anterior tongue Anterior tongue: The front two-
thirds of the tongue. In contrast to the base of the tongue,
which is the back third. The distinction between the anterior
and base of the tongue reflects the fact that they are of
different embryological origin. The distinction also matters as
regards cancer. See: Tongue cancer. Last Editorial Review:
10/9/2012 Back to MedTerms online medical dictionary A-Z List
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