The anterior, posterior, medial and lateral wall of pterygopalatine space and its communication paths, including the foramen rotundum, pterygoid canal, sphenopalatine foramen, pterygomaxillary fissure and inferior orbital fissure were clearly displayed on transverse section. 横断面可清晰显示翼腭间隙前、后、内侧和外侧壁上的结构及圆孔、翼管、蝶腭孔、翼上颌裂和眶下裂等自然通道;