Urinary sy

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  • The renin-angiotensin system (RAS) or the renin-angiotensin-aldosterone system (RAAS) is a hormone system that regulates blood pressure and water ( fluid ) balance.
  • Urinary sy

    1. 1. M ICROSCOPIC STRUCTURE OF THE URINARY SYSTEM STAGES IN DEVELOPMENT OF KIDNEYS
    2. 2. M ICROSCOPIC STRUCTURE OF THE URINARY SYSTEM Nephron - its structure, histotopography, and function Blood circulation of kidneys Urinary passages
    3. 4. Renal parenchyma: cortex and medulla
    4. 6. Components of the renal parenchyma
    5. 7. Histotopography of the nephron
    6. 8. <ul><li>Renal corpuscle: </li></ul><ul><li>filtration apparatus, cortex , 150  m </li></ul><ul><li>the glomerulus and Bowman´s capsule </li></ul><ul><li>2 poles – a vascular and a urinary </li></ul><ul><li>Bowman´s capsule </li></ul><ul><li>- visceral layer(podocytes) </li></ul><ul><li>- parietal layer </li></ul>Histology of the nephron
    7. 10. The visceral layer of Bowman´s capsule
    8. 11. Podocytes and fitration membrane
    9. 12. Podocytes and fitration membrane
    10. 14. Renal corpuscles
    11. 15. Renal corpuscle
    12. 16. Uriniferous tubule – tubulus renis
    13. 18. Thin limb of loop of Henle Collecting tubules
    14. 19. Medulla renis
    15. 20. Juxtaglomerular apparatus
    16. 21. Macula densa
    17. 22. Juxtaglomerular cells
    18. 23. Blood circulation of the kidney
    19. 24. Blood circulation
    20. 26. Urinary passages
    21. 27. STAGES IN DEVELOPMENT OF KIDNEYS P ro nephros M eso nephros M etanephros

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