图6‐67眼球前半(后面观)示睫状体及瞳孔(晶状体部分已移除)[ the anterior half of eyeball(posterior view)to show the ciliary body and the pupil(part of lens was removed)]。虹膜的直径约12.0mm,周径约37.5mm,其中央有一孔称瞳孔(pupil),瞳孔的边缘称瞳孔缘(pupillary margin),与睫状体连接处名睫状体缘(ciliary margin)或虹膜根部(root of ir ......