The air space located in the body of the MAXILLARY BONE near each cheek. Each maxillary sinus communicates with the middle passage (meatus) of the NASAL CAVITY on the same side.
Antrum of Highmore,Maxillary Antrum,Maxillary Ostium,Antrum, Maxillary,Highmore Antrum,Maxillary Antrums,Maxillary Ostiums,Sinus, Maxillary
D002294
Carcinoma, Squamous Cell
A carcinoma derived from stratified SQUAMOUS EPITHELIAL CELLS. It may also occur in sites where glandular or columnar epithelium is normally present. (From Stedman, 25th ed)