The palatoglossus is an extrinsic muscle of the tongue. It is also associated with the soft palate – and is therefore innervated by the vagus nerve.
- Attachments: Arises from the palatine aponeurosis and inserts broadly along the tongue.
- Function: Elevation of the posterior tongue
- Innervation: Vagus nerve.
- Blood supply: Lingual artery with contributions from the tonsillar artery.