Cogan D G, Kuwabara T
Br J Ophthalmol. 1984 Jan;68(1):10-2. doi: 10.1136/bjo.68.1.10.
The trypsin digestion technique for preparing flat mounts of the retinal capillary system was modified for comparable mounts of the cerebrocortical capillaries. These preparations, supplemented by electron microscopy, showed a basic similarity between the 2 systems, but the cortical capillaries have larger diameters, more abundant collateral channels, and less regularly spaced mural cells (intramural pericytes). The cortical capillaries did not show the right-angle branching of the precapillary arteriole characteristic of some retinal vessels, but they did show in the crotches of the branches an excess basement membrane that was not present in the retinal capillaries.
用于制备视网膜毛细血管系统平铺标本的胰蛋白酶消化技术被修改，以用于制备大脑皮质毛细血管的类似标本。这些标本辅以电子显微镜观察，显示出这两个系统之间存在基本相似性，但皮质毛细血管直径更大，侧支通道更丰富，壁细胞（壁内周细胞）间距不太规则。皮质毛细血管未表现出某些视网膜血管特有的毛细血管前小动脉的直角分支，但在分支的交叉处确实显示出视网膜毛细血管中不存在的过量基底膜。
