Palatine / Faucial tonsil blood supply:
1. Maxillary artery- descending palatine branch
2. Ascending pharyngeal artery- tonsillar branch
3. Facial artery- tonsillar branch (Main artery), Ascending palatine branch
4. Lingual artery- dorsal lingual branch
Palatine / Faucial tonsil venous drain-
1. Peritonsillar vein
Reference:
1. Diseases of ear, nose and throat, PL Dhingra & Shruti Dhingra, 7th edition, P. No. 291-92
Eves tonsil snare