develops from has developmental contribution from tonsil palatine tonsil MIAA:0000291 tonsil VHOG:0001140 Tonsils on the left and right sides at the back of the throat. one of the mucosa-associated lymphoid tissues (MALT), located at the entrance to the upper respiratory and gastrointestinal tracts to protect the body from the entry of exogenous material through mucosal sites[WP]. faucial tonsil SCTID:265787001 tonsilla palatina MA:0000775 NCIT:C33250 EFO:0001977 EMAPA:35644 EV:0100393 FMA:9610 MAT:0000291 Wikipedia:Palatine_tonsil BTO:0004714 pharyngeal arch dorsal part of pharyngeal pouch 2