posterior loss[计] 后验损失posterioradj.(在时间；次序上)较后的n.臀部posterior interosseous nerve of forearm前臂骨间后神经posterior marginal vertebral bone block后缘骨块posterior erueiate ligament/injuries后交叉韧带/损伤Posterior longitudinal ligament floating后纵韧带漂浮posterior infraorbital fissure injection眶下裂后方注射法posterior interventricular septal artery室间隔后动脉posterior tubercle of cervical vertebrae颈椎后结节posterior inferior left ventricular wall左室后下壁posterior polymorphous corneal dystrophy多形性角膜后层营养不良posterior determinants of cusp occlusion牙尖牙合后部决定因素