posterior view后位(象)posterioradj.(在时间；次序上)较后的n.臀部posterior mitral valve leaflet prolapse二尖瓣后叶脱垂posterior aspect of the pharyngeal wall咽壁后面posterior ligament of radiocarpal joint桡腕背侧韧带posterior scleral reinforcement surgery后巩膜加固术posterior infrarbital fissure injection眶下裂后方注射法posterior anterior tomogram of maxillae上颌后前位体层片Posterior hypopharyngeal wall neoplasms下咽部肿瘤posterior hyperplastic primary vitreous后部增生性原始玻璃体posterior dislocation of shoulder joint肩关节后脱位Posterior communicating artery aneurusm后交通动脉瘤