摘要
用多种方法,研究了丘脑微血管构筑。丘脑内微动脉、毛细血管前微动脉、毛细血管起始处、较大微静脉以及各微静脉的注入处,均可见平滑肌压迹。在毛细血管行程中存在有规律和间断的环形压迹,可能是毛细血管外壁的周细胞收缩所致。丘脑内微血管吻合丰富且复杂,除毛细血管形成各种形态的吻合外,微动脉间、微静脉间以及微动脉与微静脉间也均有吻合。本研究还探讨了丘脑微动脉直角分支的特点与丘脑出血的关系。
The microangioarchitecture of human thalamus was studied by the ink-gelatin injection, thick section transparency, histochemical staining and methacrylate cast under the stereoscope and scanning electron microscopy. There were some impressions of smooth muscular cells on the arteriole, precapillary arteriole, origin of capillary, larger venule, and converging region of each venula. Some circular impressions presented at the course of capillary regularly and discontinuously, which might be caused by contraction of pericytes of capillary. The microvascular anastomoses were rich and complex. Besides capillary anastomoses of different shape, there were many anastomoses occurred between two arterioles, or between several arterioles. The form of venular anastomoses was similar to arterioles. The anastomosis between arteriole and venule was observed occasionally. The relationship of characteristic of vertical branches of arterioles to thalamic hemorrhage was discussed.
出处
《解剖学报》
CAS
CSCD
北大核心
1993年第3期229-233,共5页
Acta Anatomica Sinica
基金
安徽省教委自然科学基金
关键词
丘脑
微血管构筑
扫描电镜
Thalamus
Microangioarchitecture
Scanning electron microscopy
