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蔺草染土尘对染尘早期大鼠肺损伤的实验观察

China Preventive Medicine(2006)

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Abstract
目的研究蔺草染土尘对染尘早期大鼠肺脏的致纤维化作用。方法采用非暴露式气管注入技术对SD雄性大鼠进行染尘(50 mg/只),于染尘后3、6个月取大鼠肺组织做病理观察。结果染尘组病理观察可见,肺泡Ⅱ型细胞增生、脱落,病灶内粉尘沉着,尘细胞、成纤维细胞聚集,可见Ⅰ~Ⅱ级矽结节和少量胶原纤维性变。结论蔺草染土尘对染尘早期大鼠肺部有轻度致纤维化作用。
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