Pharyngeal veins

The pharyngeal veins are several small veins that drain venous blood from the pharyngeal venous plexus to the internal jugular vein. These veins tend to flow into the internal jugular vein at the level of the mandibular angle.

The pharyngeal venous plexus is a network of veins that is found at the posterior and lateral aspects of the pharynx. It not only collects venous blood from the walls of the pharynx, but it also receives deoxygenated blood from the auditory tube and the soft palate.

To sum up, the pharyngeal veins arise from the pharyngeal plexus and terminate by flowing into the internal jugular vein. Alternatively, they may drain into the facial, lingual, or superior thyroid veins.

Veins of the head and neck, Extracranial veins, Pharyngeal veins, Pharyngeal venous plexus, Anterolateral view
Pharyngeal veins by Anatomy.app