The document discusses the microscopic structure of the urinary system, including the nephron, renal parenchyma, components of the renal parenchyma, histotopography of the nephron, renal corpuscle, podocytes, filtration membrane, uriniferous tubule, loop of Henle, collecting tubules, medulla renis, juxtaglomerular apparatus, macula densa, juxtaglomerular cells, and blood circulation of the kidney. It also briefly mentions the stages in development of the kidneys, including the pronephros, mesonephros, and metanephros.

1. M ICROSCOPIC STRUCTURE OF THE URINARY SYSTEM STAGES IN DEVELOPMENT OF KIDNEYS

2. M ICROSCOPIC STRUCTURE OF THE URINARY SYSTEM Nephron - its structure, histotopography, and function Blood circulation of kidneys Urinary passages

4. Renal parenchyma: cortex and medulla

6. Components of the renal parenchyma

7. Histotopography of the nephron

8. Renal corpuscle: filtration apparatus, cortex , 150  m the glomerulus and Bowman´s capsule 2 poles – a vascular and a urinary Bowman´s capsule - visceral layer(podocytes) - parietal layer Histology of the nephron

10. The visceral layer of Bowman´s capsule

11. Podocytes and fitration membrane

12. Podocytes and fitration membrane

14. Renal corpuscles

15. Renal corpuscle

16. Uriniferous tubule – tubulus renis

18. Thin limb of loop of Henle Collecting tubules

19. Medulla renis

20. Juxtaglomerular apparatus

21. Macula densa

22. Juxtaglomerular cells

23. Blood circulation of the kidney

24. Blood circulation

26. Urinary passages

27. STAGES IN DEVELOPMENT OF KIDNEYS P ro nephros M eso nephros M etanephros