posterior toadj.晚于posterioradj.(在时间；次序上)较后的n.臀部posterior vaginal hernia[医] 阴道后疝, 阴唇阴道突出posterior linoid process鞍后突, 鞍背突, 后床突Posterior parietal gyrus后顶回posterior region of neck颈后区, 项区posterior median fissure[医] 后正中沟posterior segment of eye眼后半段posterior sclera rapture后巩膜破裂伤posteriorcondyloid fossa髁窝posterior left ventricle左室后壁posterior border of ulna尺骨后缘

1. Gliomas in children, therefore, are most common in the posterior fossa.
   因此，儿童胶质瘤在颅后窝最常见。
2. The irregular posterior fossa mass that is seen here near the midline of the cerebellum and extending into the fourth ventricle above the brainstem is a medulloblastoma.
   不规则颅后窝肿块即髓母细胞瘤，在小脑中线附近并且延伸至脑干之上的第四脑室。