posterior toadj.晚于posterioradj.(在时间；次序上)较后的n.臀部posterior auricular vein耳后静脉posterior colpoceliotomy后阴道式剖腹术posterior hernia of knee膝关节后疝posterior wall excursion(左室)后壁(总)幅度, 后壁偏移(超声心动图)posterior cricoarytenoid后环杓(软骨)的posterior gastric artery胃后动脉posterior check ligament后抑制韧带, 后翼状韧带Posterior peritoneoscope后腹腔镜posterior nectrotic zone坏死后区posterior urethral sound[医] 后尿道探子