part of in taxon develops from adjacent to Amniota oral cavity nasal cavity upper jaw region secondary palate oral roof SCTID:181227004 MESH:D010159 The part of the palate formed from the fusion of the two palatine shelves, extensions of the maxillary prominences. EMAPA:18948 palatum NCIT:C12229 Wikipedia:Secondary_palate definitive palate palatum secundarium roof of mouth galen:Palate palatum NCIT:C34292 MA:0002476 palate palatum definitivum FMA:54549 GAID:152 BTO:0001779 secondary palatal shelf roof of mouth