posterior toadj.晚于posterioradj.(在时间；次序上)较后的n.臀部posterior articular nerve后关节神经posterior pituitary stain垂体后部染色posterior thoracic nerves胸后神经posterior tympanic artery鼓室后动脉Posterior corneal surface角膜后表面posterior coronary plexus[医] 心冠后丛posterior cervical region颈后区posterior medullary velum后髓帆posterior urethral heater尿道后段加温器posterior labial branches阴唇后支