Main-palatine vein

The base and lower jaw are connected, as the name of the muscle suggests, by a paired muscle – the sphenopalatine (pterygoid muscle, in Latin musculus pterygoideus). It begins at the internal auditory opening (its posterior wall) and the muscle-hair papilla and ends on the medial condyle of the jaw below and the anterior bone plate of the hard palate above. Medially, this muscle is delimited by the lower horizontal branch of the palatine bone. Adjacent to each pterygoid muscle laterally