法医学杂志

法医学杂志 ›› 1998, Vol. 0 ›› Issue (2): 65-66+1.

• 论文 •    下一篇

大鼠闭合性弥漫性脑损伤脑血管铸型的扫描电镜观察

于晓军,肖飞,吴家馼,吴梅筠   

  1. 吉林医学院法医学教研室!吉林吉林,132001,华西医科大学法医学系!四川成都,610041,华西医科大学法医学系!四川成都,610041,华西医科大学法医学系!四川成都,610041
  • 发布日期:1998-04-25 出版日期:1998-04-28

The SEM observation of vascular corrosion casts of closed diffuse brain injuries in rats

YU XIAOJUN, XIAO FEI, WU JIAWEN, ET AL.(1.DEPARTMENT OF FORENSIC MEDICINE, JILIN MEDICALCOLLEGE, JILIN CITY JILIN 132001, 2.DEPARTMENT OFFORENSIC MEDICINE. HUAXI MEDICAL UNIVERSITY CHENGDUCITY SICHUAN 610041)   

  • Online:1998-04-25 Published:1998-04-28

被引次数

14

摘要： 用扫描电镜观察闭合性脑损伤即刻致死和伤后15min大鼠脑血管铸型，发现大鼠脑震荡性损伤后，脑干穿行小动脉及其分支可见多数散在的微动脉痉挛，呈节段性变细，扭曲，血管腔直径约2—5mp。毛细血管前括约肌收缩。正常大鼠脑干实质小动脉直径约10~15mp。讨论了外伤性脑血管痉挛的机制及其对颅脑损伤后果的影响。

关键词: 闭合性脑损伤, 脑血管铸型, 扫描电镜

Abstract: The brain vascular corrosion casts of closed diffosebrain injuries were studied by SEM in rats. Thecontfaction and spasm of perforating arteriole andsphincter-muscle of capillaries in brain stems wereobserved. The capillaries are about 2-5μm in diameter,While the normal 10-15μm. The mechanism of thecontraction and its effects were discussed.

Key words: closed diffuse brain injuries, brain vascular corrosion casts, SEM