ULTRASTRUCTURAL-STUDY OF BASAL LAMINA OF RETINAL-PIGMENT EPITHELIUM

被引:3
|
作者
OU, B [1 ]
OHNO, S [1 ]
YAMABAYASHI, S [1 ]
CHEN, HB [1 ]
FUJII, Y [1 ]
TSUKAHARA, S [1 ]
机构
[1] YAMANASHI MED UNIV,DEPT ANAT,TAMAHO,YAMANASHI 40938,JAPAN
关键词
BASAL LAMINA; RETINAL PIGMENT EPITHELIUM; QUICK-FREEZING; DEEP-ETCHING METHOD;
D O I
10.1159/000267657
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
The ultrastructure of basal lamina (BL) of retinal pigment epithelium (RPE) in guinea gigs was studied by the quick-freezing, deep-etching (QF-DE) method. The retinal tissue was quickly frozen, fractured and deeply etched. A replica was prepared by shadowing with platinum and carbon. Electron micrographs of the BL of RPE provide a three-dimensional (3-D) ultrastructure. The lamina lucida was filled with traversing filamentous structures, which connected the basal infolding of RPE with the lamina densa. The lamina densa consisted of a 3-D meshwork structure. It is suggested that the traversing filamentous structures in the lamina lucida might play a role in anchoring the basal infolding of RPE and in maintaining the normal architecture.
引用
收藏
页码:158 / 162
页数:5
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