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Urinary System

Urinary System. Kidney . Renal artery & vein. Ureter . Urinary bladder. Urethra . Urinary Bladder. Ureters . Trigone . Urethra . Kidney. Capsule . Renal cortex . Renal column. Renal pyramid. Hilus. Renal papilla. Renal medulla. Arterial Blood. 3. Lobar arteries.

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Urinary System

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  1. Urinary System Kidney Renal artery & vein Ureter Urinary bladder Urethra

  2. Urinary Bladder Ureters Trigone Urethra

  3. Kidney Capsule Renal cortex Renal column Renal pyramid Hilus Renal papilla Renal medulla

  4. Arterial Blood 3. Lobar arteries 2. Segmental arteries 4. Interlobar Arteries 1.Renal artery 5. Arcuate Arteries 6. Interlobular Arteries

  5. Renal Corpuscle 8.Glomerular capillaries 6. Interlobular artery 7. Afferent arteriole 9. Efferent arteriole Peritubular capillaries

  6. Venous blood flow Peritubular capillaries Interlobular veins Arcuate veins Interlobar veins Lobar veins Renal vein

  7. Urine collection 1. Bowman’s capsule 4. Distal convoluted tubule 2. Proximal convoluted tubule 5.Collection duct 3. Loop of Henle 6. Thru renal pyramid 8. Minor calyx 7. Renal papilla

  8. Colormetric Urinalysis Clean catch Dip stick Manage wait time Compare stick to chart Interpret results

  9. Time Frame Protein & pH 30 sec 60 sec Glucose

  10. Kidney Drainage Renal pelvis Major calyx 1. Minor calyx Ureter

  11. http://microanatomy.net/kidney/kidney.htm

  12. http://microanatomy.net/kidney/kidney.htm

  13. Kidney Tubules

  14. Kidney Tubules http://cellbio.utmb.edu/microanatomy/kidney1.htm

  15. Urinary Bladder Transitional epithelium • http://neuromedia.neurobio.ucla.edu/campbell/urinary/wp_images/49_transitional_epithelium.gif

  16. Transitional Epithelium http://www.public.coe.edu/~kredborg/Humanslides/transitional.jpg

  17. Acid A substance that releases hydrogen ions H+ Proton donors (-) (+) “naked” proton

  18. Acids dissociate releasing H+ Complete = strong acid HCl H+ + Cl- Incomplete = weak acid [H+] - Determines the acidity of a solution

  19. Base - NH4+ NH3 + H+ Ammonium ion 1. A substance that takes H+ from solution Proton acceptor EX: Ammonia - NH3 Has 1 pair of unshared e- that strongly attracts H+ Immediately reduces the acidity of the solution

  20. Base - 2. A substance that releases hydroxide ions Bases dissociate in H2O releasing OH- Complete = strong base Incomplete = weak base

  21. Buffers Substance that resists a shift in pH Dynamic equilibrium to maintain a constant [H+] Even if acid or base is added

  22. 90 HAc 10H++ 10Ac- 10H+ + 5Ac- 10H+ + 5H+ + 5Ac- 95HAc 95HAc 100 HAc 10H+ Weak acids & bases are buffers HC2H3O2 10H++5H++ 10Ac- Weak acid resist change in pH until all Ac- is used 15 H+ + 5H+

  23. Weak bases CO2 + H2O H2CO3 HCO3-+ H+ H2CO3 HCO3-+ H+ H2CO3 NH4+ Carbonic acid-bicarbonate system Maintains pH homeostasis of the blood + NH3

  24. HCO3-+ H+ H2CO3 H2CO3 HCO3-+ H+ Reforms + H+ Strong bases are replaced by weak bases(HCO3-) Strong acids are tied up in a weak one(H2CO3)

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