メニューのAnatomyはBook & Atlasにリンクしてあります。
翼上顎裂【よくじょうがくれつ】 Opening that is occasionally found connecting the infratemporal fossa with the pterygopalatine fossa. It is bounded by the maxillary tuberosity and the lateral plate of the pterygoid process.(上顎骨と翼状突起外側板の間の骨性溝。)