deep lingual vein
the principal vein of the tongue that accompanies the deep lingual artery and joins the lingual vein. It drains the body and apex of the tongue, running posteriorly near the median plane; often visible through the mucosa on the underside of the tongue, to each side of the frenulum.
Synonym(s): vena profunda linguaeTA
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Examples: glitazone, GI cocktail, etc.