The palatine tonsil receives its arterial supply from all of the following except -
Blood supply of tonsils

The tonsil is supplied by five arteries :-


Tonsillar branch of facial artery. This is the main artery.
Ascending pharyngeal artery from external carotid.
Ascending palatine, a branch of facial artery.
Dorsal lingual branches of lingual artery.
Descending palatine branch of maxillary artery.
Facial
Ascending palatine
Sphenopalatine
Dorsal lingual