posterior arm后腕(动)posterioradj.(在时间；次序上)较后的n.臀部posterior subluxation of lens晶状体后不全脱位posterior antebrachial region前臂后区posterior cap- sule rupture后囊破裂posterior median dorsal plate后中背片posterior thalamic radiations丘脑后辐射posterior commissure of labia阴唇后连合,唇后连合Posterior element distraction椎体后缘离断症Posterior surface of pancreas胰后面posterior intermediate groove后中间沟posteriorcapsule opacificatio后囊膜混浊