Figure 5.

A micrograph of podocytes in a patient with minimal change nephrotic syndrome obtained using a transmission electron microscope (a). A micrograph of the podocyte surface in a patient with minimal change nephrotic syndrome obtained using a low-vacuum electron microscope with PAM staining section followed by 1% Ponceau S staining (b). P: podocyte; E: glomerular endothelium; C: glomerular capillary; M: mesangium; RBC: red blood cell; GBM: glomerular basement membrane; Bw: Bowman's capsule. Scale bars indicate 2 μm.