滤过屏障( filtration barrier) Distal tubule Endothelium Macula Podocyte Jux Basal ferent arteriole Primary aglomerular celis Efferent arteriole process owman's capsule antal layer) Vas Bow (vis Secondary process (pedicel) Parietal la Urinary space Urinary p Podocyst Secondary cell bod Primary rush border (m process滤过屏障（filtration barrier）