posterior view后位(象)posterioradj.(在时间；次序上)较后的n.臀部posterior superior petrosal process后床突Posterior condyle of occipital bone枕骨后髁posterior annular ligament of carpus(腕)伸肌支持带Posterior sclerotomy with iridectomy后巩膜切开术伴虹膜切除术posterior descending coronary artery冠状动脉后降支posterior marginal fracture of ankle踝后缘骨折posterior superior alveolar branches上牙槽后支Posterior commissure of labia majora大阴唇后连合posterior lateral choroidal branches脉络丛后外侧支posterior coronoid process injection喙突后注射法