肾小球滤过膜 是指肾小球毛细血管袢的管壁。它由三层构成，最里层是毛细血管内皮细胞，中层为基底膜，外层为上皮细胞（也称足细胞，即肾小球囊的脏层）。
肾I-RI时肾小球滤过膜超微结构的损伤与NO的生成及其作用有关。
NO aggravated those injuries, indicating that NO plays a role in the ultrastructure damages of glomerular filtration membrane in I-RI rats.
提示尿nag活性测定可作为间接反映肾小球滤过膜功能、筛查糖尿病早期肾病的一项敏感指标。
All these suggested that the determination of urinary NAG activity can be used as a sensitive indicator predicting early diabetic nephropathy.
以聚乙烯亚胺(PEI)为阳离子探针标记肾小球滤过膜负电荷位点，透射电镜观察肾i - RI对大鼠肾小球超微结构及负电荷位点的影响。
Anionic sites of glomerular were studied with a cationic probe-polyethyleneimine (PEI) and ultrastructure was observed under electron microscope in renal I-RI rats.
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