<prompt> Arterial supply of tonsil is mainly:Tonsillar branch of facial arteryMaxillary arteryMiddle meningeal arteryInternal carotid artery  <response>: a Tonsillar branch of facial arteryRef. Scott Brown, 8th ed., Vol 3; 742The arterial supply to tonsil is by external carotid artery branches.Maxillary artery also supplies the tonsil but the main artery supplying is the tonsillar branch of facial.Middle meningeal artery, a branch of maxillary artery, does not supply the tonsil. 