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Anatomy and Physiology 2211K

Anatomy and Physiology 2211K. Lecture Five. Slide 2 – Urinary system. Slide 3 – Urinary system’s function – filtering the blood. Slide 3 – Urinary system’s function – regulation of blood volume. Slide 3 – Urinary system’s function – regulation of ions.

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Anatomy and Physiology 2211K

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  1. Anatomy and Physiology 2211K Lecture Five

  2. Slide 2 – Urinary system

  3. Slide 3 – Urinary system’s function – filtering the blood

  4. Slide 3 – Urinary system’s function – regulation of blood volume

  5. Slide 3 – Urinary system’s function – regulation of ions

  6. Slide 6 – Urinary system’s function – pH regulation

  7. Slide 7 – Urinary system’s regulation - hormonal

  8. Slide 8 – Urinary system’s regulation – Vitamin D

  9. Slide 9 - Kidneys

  10. Slide 10 - Nephron

  11. Slide 11 – Histology of the nephron (glomerulus)

  12. Slide 12 – Histology of the nephron (Bowman’s capsule)

  13. Slide 13 – Histology of the nephron (Proximal convoluted tubule)

  14. Slide 14 – Histology of the nephron (distal convoluted tubule)

  15. Slide 15 – Histology of the nephron – juxtaglomerular apparatus

  16. Slide 16 – Blood flow of the nephron and the kidneys

  17. Slide 17 – Ureter and the urinary bladder

  18. Slide 11 – urine formation

  19. Slide 19 – Urea cycle

  20. Slide 20 – Uric acid production

  21. Slide 21 – Renal filtration

  22. Slide 22 – Renal fraction Renal plasma flow rate - the actual flow of plasma reaching the kidneys is equal to the renal blood flow rate multiplied by the portion of the blood that is made up of plasma – which is approximately 55% 1176mL/min x 0.55 = 646 mL plasma /min Filtration fraction – the actual part of the plasma that is being filtered through the glomerulus and the renal capsule. Filtration fraction averages 19% of the plasma flowing through the kidneys 646 mL plasma/min x 0.19 = 123.5 mL plasma per minute

  23. Slide 23 – Urine formation - glomerulus

  24. Slide 23 – Filtration pressure

  25. Slide 23 – reabsorption – proximal convoluted tubule

  26. Slide 25 – Reabsorption – loop of Henle

  27. Slide 26 – Ascending loop of Henle

  28. Slide 26 – reabsorption – distal convoluted tubule

  29. Slide 28 – Urine concentration

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