part of part of head maxillary sinus CALOHA:TS-2231 FMA:57715 MA:0001794 NCIT:C12275 One of the paired paranasal sinuses, located in the body of the maxilla, communicating with the middle meatus of the nasal cavity. Wikipedia:Maxillary_sinus antrum of Highmore GAID:358 SCTID:181204007 maxillary antrum MESH:D008443 sinus maxilliaris UBERON:0001764 Highmore antrum paranasal sinus maxilla