后极 posterior pole的用法和样例：例句That is, the parents are cousins.Throug

中文解释

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。

正在查询

nigrescent drivels decentering 秀 struttingly false alarm strike continuously single view do by thinly-populated district