basal

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Fenestrated capillaries
Filtration Barrier
(capillaries with windows)
Permeable to substances lt 100 nm
nucleus
endothelial cell
fenestration
basal lamina
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podocyte
slit pore
mesangial cells
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4
Limited permeability to molecules between 7000 gt
mwt gt 70000 Da 4 nm gt diameter gt 8 nm
Freely permeable to small molecules mwt lt 7000
Da diameter lt 4 nm
Not permeable to large molecules mwt gt 70000
Da diameter gt 8 nm
Water Permeable
albumin 60000 Da completely excluded because of
ve charge
endothelial cell fenestration
basal lamina (basement membrane)
podocyte slit pore
glucose
amino acids
Na
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6
Bowmans Capsule
Bowmans Space
Proximal Tubule
petesmif_at_liv.ac.uk