The palatine tonsil receives its arterial supply from all of the following, except:
Facial
Ascending palatine
Sphenopalatine
Dorsal lingual
(c) Sphenopalatine(Ref. Chaurasia, 6th ed., Vol 3; 230)The Sphenopalatine artery which is a branch of maxillary does not supply the tonsil. It is the main artery supplying the nose and is called the artery of epistaxis.The rest arteries supply the tonsil.
Tonsils