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Kidney Histology - Coggle Diagram
Kidney Histology
Components of the Kidney
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Kidney Cortex
Renal Medulla
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Distal Convoluted Tubule
Cuboidal epithelial cells, smaller than PCT cells, and no brush border
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Autoregulation of GFR, and arterial BP
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Nephron
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Components
- Renal Corpuscle
- Proximal convoluted tubule
- Loop of Henle
- Distal convoluted tubule
- Collecting Tubules
Mesangial Cells
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2 Components: Mesangial matrix, Mesangial cells
Functions: Physical support and contract (like pericytes respond to vasoactive substances to maintain hydrostatic pressures), phagocytosis of protein aggregates that adhere to glomerular filter, synthesize matrix, secrete biologically active substances (cytokines and prostaglandins) important for immune defense
Renal Corpuscle
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Components
- Glomerulus
- Bowman's Capsule
- Filtration Barrier (Glomerular basement membrane)
- Vascular Pole (afferent arteriole enters and efferent exits)
- Urinary pole: Where proximal convoluted tubule begins
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Kidney Blood Supply
Renal Artery
Segmental Artery
Interlobar artery
Arcuate Artery
Interlobular artery
Afferent arteriole
Glomerulus
Efferent arteriole
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