posterior leg小腿后区posterioradj.(在时间；次序上)较后的n.臀部posterior ascending branch后升支posterior fossa of humerus鹰嘴窝posterior pillar of fornix[医] 穹窿脚posterior hyaloid membrane玻璃样后膜Posterior midline of trunk躯干后中线posterior spinal sclerosis脊髓后索硬化posterior meningeal artery脑膜后动脉posterior gastric branches胃后支Posterior surface of heart心脏后面posterior tympanic process鼓后突