alleryStart learning →Which cells form the visceral layer of Bowman's capsule?
ASimple squamous epithelial cells
BPodocytes with pedicel processes
CCuboidal cells with a brush border
DContractile mesangial cells
Answer & Solution
Correct answer: B. Podocytes with pedicel processes
1. The outer parietal layer of the capsule is simple squamous epithelium.
2. Where the capsule folds onto the capillaries it becomes the visceral layer, and there the cells are podocytes.
3. Podocytes send out finger-like pedicels that interdigitate over the capillary surface.
4. The gaps left between interdigitating pedicels are the filtration slits that sieve the plasma.
5. Brush border cuboidal cells belong to the proximal convoluted tubule, further downstream.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 25 "The Urinary System", section 25.4 Microscopic Anatomy of the Kidney_
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