Chapter 25
The Urinary System
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25
Fenestrated endothelium
of the glomerulus
Apical microvilli
Cortex
Medulla
Podocyte
Basement
membrane
Mitochondria
Apical side
Basolateral side
Highly infolded
basolateral membrane
Proximal
convoluted
tubule
Distal
convoluted
tubule
• Descending limb
Nephron loop
Ascending limb
• Glomer
ular capsule
Renal corpuscle
• Glomer
ulus
Thick segment
Collecting duct
Intercalated cell
Principal cell
Thin segment
Proximal convoluted tubule cells
Glomerular capsule: parietal layer
Glomerular capsule: visceral layer
Distal convoluted tubule cells
Nephron loop (thin-segment) cells
Collecting duct cells
Renal cortex
Renal medulla
Renal pelvis
Ureter
Kidney
Figure 25.5
Location and structure of nephrons.
Schematic view of a nephron depicting
the structural characteristics of epithelial cells forming its various regions.
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