posterior end后端posterioradj.(在时间；次序上)较后的n.臀部posterior descending branch后降支Posterior fontanel of skull颅后囟posterior intercalary plate后间板posterior lobus occipitalis枕叶后端posterior mediastinal space后纵隔间隙, 后纵隔腔posterior cruciate ligament后十字韧带； 后交叉韧带posterior cortical cataract后皮质(白)内障posterior temporal branches颞叶后支posterior tibial lymph node胫后淋巴结posterior labial commissure唇后连合