part of part_of organ subunit 器官单位 posterior segment of eyeball 眼后段 any of the parts of the eye that lie in back of, or dorsal to, the lens (but not inclusive) eye posterior segment posterior eye segment posterior segment eye posterior segment of eye posterior segment of the eye segmentum posterius (bulbus oculi) segmentum posterius bulbi oculi 位于晶状体背面或背部的任何眼睛部位（但晶状体不包括在内） 后段眼球 后段（眼球） 眼后段(eye posterior segment) 眼后段(posterior eye segment) 眼后段(posterior segment eye) 眼后段(posterior segment of eye) 眼后段(posterior segment of the eye) ectoderm-derived structure 外胚层衍生结构 eyeball of camera-type eye 照相机型眼眼球