posterior loss[计] 后验损失posterioradj.(在时间；次序上)较后的n.臀部posterior sagittal diameter of midpelvis中骨盆后矢状径Posterior communicating artery aneurysms后交通动脉瘤posterior-horn type sensory disturbance后角型感觉障碍Posterior interosseous antebrachial nerve前臂骨间后神经Posterior longitudinal ligament resection后纵韧带切除posterior-root type sensory disturbance后根型感觉障碍posterior band of ulnacollateral ligament尺侧副韧带后束Posterior pharyngeal flap transplantation咽成形术Posterior ealot's triangle of gallbladderPosterior scleral reinforcement operation后巩膜加固术