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xi ru 239puo2 suo zhi fei pao xing xi bao de xiao ying
Pages: 42-49
Year: Issue:  1
Journal: Radiation Protection

Keyword:  239 PuO 2肺泡Ⅱ型细胞内照射损伤效应形态计量学;
Abstract: 本文报道了大鼠吸入239PuO2后所致肺泡Ⅱ型细胞(AT-Ⅱ)的形态学研究结果。实验用 Wistar 大鼠,采用口鼻式吸入239PuO2,在吸入后8和10个月分别处死大鼠,取肺组织制成超薄切片。除定性观察外,还用图像分析仪对肺组织随机切片的电镜照片作定量分析。采用形态计量学方法测试了18项参数。研究结果表明,大鼠吸入239PuO2后,AT-Ⅱ细胞的分化能力降低,肺表面活性物质代谢紊乱。
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