pharyngeal veins pharyngeal veins the pharyngeal veins begin in the pharyngeal plexus on the outer surface of the pharynx, and, after receiving some posterior meningeal veins and the vein of the pterygoid canal, end in the internal jugular. pharyngeal veinsveins of the head and neck. (pharyngeal visible at left.)muscles of the pharynx, viewed from behind, together with the associated vessels and nerves.detailsdrains frompharynxdrains tointernal jugular veinarterypharyngeal branches of inferior thyroid arteryidentifierslatinvenae pharyngeaeta98a12.3.05.007ta24806fma70840anatomical terminology they occasionally open into the facial, lingual, or superior thyroid vein.