posteriors屁股posterioradj.(在时间；次序上)较后的n.臀部posterior spinal vein脊髓后静脉posterior capsulotomy晶状体后囊切开术posterior mediastinum后纵隔posterior aortic wall主动脉后壁Posterior lentiglobus后球形晶状体posterior pelvic ring骨盆后环posterior callosities后胛posterior information后验信息Posterior pole of eye眼后极posterior nasal spine鼻后棘, 后鼻棘, 鼻后棘:腭骨后棘, 后鼻棘(突)

1. That is, the parents are cousins.Through the fundus examination, we found diffuse yellowish crystal deposits and chorioretinopathy in the posterior pole.
   两病例为姐妹，眼底检查可见散在性黄白色晶体沈着物，后极部可见脉胳膜网膜变性。