COMPARATIVE STUDIES ON THE PRE-TERMINAL AND POST-TERMINAL BLOOD-VESSELS IN THE CEREBELLAR CORTEX OF RHESUS-MONKEY, CAT, AND RAT

被引:14
作者
LANGE, W [1 ]
HALATA, Z [1 ]
机构
[1] UNIV HAMBURG,DEPT ANAT,D-2000 HAMBURG 13,FED REP GER
来源
ANATOMY AND EMBRYOLOGY | 1979年 / 158卷 / 01期
关键词
Cerebellar cortex; Electron microscopy; Pre-and postterminal blood vessels; Rhesus monkey; cat; rat;
D O I
10.1007/BF00315951
中图分类号
R602 [外科病理学、解剖学]; R32 [人体形态学];
学科分类号
100101 ;
摘要
In the rhesus monkey, cat and rat, pial arteries give off branches which run vertically through all three layers of the cerebellar cortex. The large cortical arteries are surrounded by a perivascular space in the molecular layer. Their wall consists of several layers of smooth-muscle cells and the luminal endothelium. As the arteries reach the deeper layers of the cerebellar cortex, the number of smooth-muscle cells is reduced. In the rat, sometimes no smooth-muscle cells are detectable in the preterminal arterial vessels. If these deep arteries branch off by dichotomy of terminal vessels there occurs a gradual or complete loss of myocytes in all three species. In the cat, where cortical arteries give off branches at rightangles, there is a sphincter-like accumulation of smooth-muscle cells at the opening to the smaller branch. The postterminal vessels and veins in all species exhibit the smae mural structure found in capillaries. The wall consists only of an endothelium and occasional pericytes embedded in the basal lamina. Even the large veins which run to the pial veins show this simple mural structure. © 1979 Springer-Verlag.
引用
收藏
页码:51 / 62
页数:12
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