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| 大白鼠颈总动脉内弹性膜的年龄变化 | |
| 引用本文： | 周丽华,邝国璧. 大白鼠颈总动脉内弹性膜的年龄变化[J]. 解剖学研究, 1992, 0(1) |
| 作者姓名： | 周丽华 邝国璧 |
| 作者单位： | 中山医科大学人体解剖学教研室 广州510089 |
| 摘 要： | 本文应用光镜、透射电镜对内弹性膜的年龄变化进行定性分析,结果发现:随增龄,内弹性膜变薄,管腔面出现放射状变性,内弹性膜断裂、复制;其内弹性纤维的周围部减少甚至消失;内皮细胞、中膜平滑肌细胞穿过内弹性膜的现象增多。 |
| 关 键 词： | 颈总动脉 内弹性膜 弹性纤维 年龄变化 |
Ultrastructural Alterations of Internal Elastic Laminae of Rat Common Carotid Artery Related to Aging |
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| Abstract: | The fenestrations and internal elastic laminae of common carotid artery were studied in last chap- ter,now we use light microscope and transmission electric microscope to study the ultrastructural al- ternations of internal elastic laminae of rat common carotid artery related to aging.The results show that with advancing age,the internal elastic laminae was thinner,degenerated,fractured and redupli- cated;the peripheral part of elastic fiber was disappear;both endothelial cells and smooth muscle cells entered the internal elastic laminae more in the old age than in the young. |
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