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. 2015 Feb 23;6:9. doi: 10.3389/fendo.2015.00009

Figure 2.

Figure 2

(A) The glomerular filtration barrier (GFB) with the disposition of membrane associated domains in foot processes (FPs). Diagram shows three FPs with apical domain (AD), basal domain (BD), and slit diaphragm domains (SDD) outlined. The apical actin bundles are shown, other actin networks cortical actin (sub-plasmalemmal actin) surrounding the actin bundle are attached to the various membrane domains. The cortical actin meshwork in BD and SDD is thicker than AD. ECC, endothelial cell cytoplasm; F, fenestration; G, glycocalyx. (B) Interdigitating foot process (FP) pattern in health (left) and after effacement in disease (right). The dashed line in FP marks the boundary of the actin bundles. MT – microtubules in the major processes. Actin bundles and cortical actin either reduce to a diffuse band of actin after effacement or disperse with effacement.