Glomerular capillaries, electron micrograph
RBC = red blood cell
Micrograph courtesy of Jeff Morton
This micrograph includes portions of several glomerular capillaries.
The wall of each glomerular capillary consists of capillary endothelium, the filtration membrane, and pedicels of podocytes.
During glomerular filtration, plasma fluid passes through the filtration membrane from capillary lumen into Bowman's space. The filtration membrane holds back plasma proteins; water and other small molecules pass freely through.
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SIUC / School
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Last updated: 25 August 2003 / dgk