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

来源：

OPHTHALMIC RESEARCH | 1995年 / 27卷 / 03期

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

页码：158 / 162

页数：5

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