| Key:
- AA- afferent arteriole
- EA- efferent arteriole
- BC- Bowman's capsule
- US- urinary space
- TP- tubular pole- first part of collecting system
As blood passes through the glomerulus from the afferent arteriole, the plasma is filtered through a very fine physical mesh created by podocyte cells. This filtration process is entirely pressure- and osmotically- driven, with no active transport involved at this stage.
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