posterior end后端posterioradj.(在时间；次序上)较后的n.臀部posterior pituitary hormone垂体后叶激素posterior thalamic peduncle丘脑后脚Posterior rhinolalia clausa后闭合性鼻音posterior ethmoidal sinuses后筛窦(解)Sinus ethmoidales posteriores{拉}posterior alveolar branches上牙槽后支posterior triangles of neck[医] 颈后三角posterior talocrural region距小腿后区posterior commissural fossa后连合窝posterior interosseous vein骨间后静脉posterior tricuspid leaflet三尖瓣后瓣