Renal column

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Renal column
Kidney
1. Renal pyramid 2. Efferent artery 3. Renal artery 4. Renal vein 5. Renal hilum 6. Renal pelvis 7. Ureter 8. Minor calyx 9. Renal capsule 10. Inferior renal capsule 11. Superior renal capsule 12. Afferent vein 13. Nephron 14. Minor calyx 15. Major calyx 16. Renal papilla 17. Renal column
Latin	columnae renales
Gray's	subject #253 1221
Dorlands/Elsevier	c_48/12251193

The renal column (or Bertin column, or column of Bertin) is a medullary extension of the renal cortex in between the renal pyramids. It allows the cortex to be better anchored.

Each column consists of lines of blood vessels and urinary tubes and a fibrous material.

[edit] External links

• Dictionary at eMedicine renal+columns
• SUNY Labs 40:06-0106 - "Posterior Abdominal Wall: Internal Structure of a Kidney"
• Chorus 01055
• Histology at BU 15901loa - "Urinary System: neonatal kidney"
• Image at mgh.harvard.edu

v • d • e Urinary system - Kidney

Renal fascia, Renal capsule, Renal cortex  (Renal column), Renal medulla (Renal sinus, Renal pyramids), Renal lobe, Cortical lobule, Medullary ray, Nephron afferent circulation: Renal artery → Interlobar arteries → Arcuate arteries → Cortical radial arteries → Afferent arterioles → Renal corpuscle (Glomerulus, Bowman's capsule) kidney tubule: Proximal tubule → Loop of Henle (Descending, Thin ascending, Thick ascending)  → Distal convoluted tubule → Connecting tubule → Collecting ducts → Duct of Bellini → Renal papilla → Minor calyx → Major calyx → Renal pelvis → Ureter efferent circulation: Glomerulus → Efferent arterioles → Peritubular capillaries/Vasa recta → Arcuate vein→ Interlobar veins→ Renal vein juxtaglomerular apparatus: Macula densa, Juxtaglomerular cells, Extraglomerular mesangial cells filtration: Glomerular basement membrane - Podocyte - Filtration slits - Intraglomerular mesangial cells