3. Physiology
        3.12. Renal
3.12.2. Structure of kidney

Structure of kidney

[Ref: AV6:Chp1]

Nephrons

1 million nephrons

3 types of nephrones

  1. Superficial cortical nephrons
    * Short loop of Henle
  2. Midcortical nephrons
  3. Juxtamedullary nephrons
    * All have long loops of Henle, extending into the inner medulla
    * Difference in loop lengths are all due to variabilities in thin descending and ascending limbs
    * All ascending limbs change from thin to thick at the junction of inner and outer medulla [AV6:p91]

NB:

 

 

Renal parenchyma

  1. Cortex
  2. Medullary - outer and inner

NB:

Juxtaglomerular apparatus

Glomerular capsule

 

Blood vessels

Vasa recta

Peritubular capillary

 

Innervation

Sympathetic innervation



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