MA 203 A & P

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Author:
Shutrbug20
ID:
84919
Filename:
MA 203 A & P
Updated:
2011-05-09 23:42:20
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Urinary System
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Description:
Chapter 11 Unit 11
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  1. Terminology
    • nephr/o , ren/o = kidney
    • pyel/o = renal pelvis (where urine is collected)
    • ur/o , urin/o = urine
    • cyst/o = urinary bladder
    • ur = urine , emia = blood (toxic condition)
    • nephr = kidney , pathy = disease
    • hydro = water , nephr = kidney , osis = full of
    • nephr = kidney , ectasis = distention
    • py = pus
    • calculus / calculi = stone , lithiasis = presence of stones
    • lith = stone
    • Hydro = water
    • ectasis = enlargement
    • rrhagia = bleeding
    • pyel = renel pelvis , itis = inflammation
    • pyelo = renal pelvis , nephr = kidney , itis = inflammation
    • cyst = bladder , algia = pain
    • cyst/o = bladder , cele = hernia
  2. Terminology 2
    • diur = increase output urine , esis = condition
    • en = into , uresis = urination
    • olig = scanty , uria = urine
    • nephr/o = kidney , pexy = surgical fixation
    • ureter/o = ureter , rrhaphy = surgical suture
    • cyst = urinary bladder
    • pexy = surgical fixation
    • ostomy = create opening
    • otomy = surgical incision
    • ectomy = surgical removal
  3. Urinary Function
    • Maintain proper balance of water, BP, salts, and acids
    • Filters blood as it flows through kidneys
    • Constant filtering to remove urea / wastes from blood
    • Under high pressure
  4. Urinary Tract
    • 2 kidneys
    • 2 ureters
    • 1 urinary bladder
    • 1 urethra
  5. Urine Composition
    • 95% water
    • 5% waste
  6. Kidneys
    • Retroperitoneal
    • On either side of spine below diaphram
    • Posterior to peritoneum
    • Above waist
    • Right is lower than left because of liver displacement
    • 5" long
    • Primary organs
  7. Renal Cortex
    Outer region of kidney
  8. Medulla
    Inner region of kidney
  9. Nephron
    • Functioning unit of kidney
    • Under extreme high pressure
    • Contains Glomerulus = clusters of capillaries surrounded by cup shaped membrane called Bowman's Capsule
  10. Renal Artery
    Brings body's blood suply to nephrons
  11. Renal Vein
    Takes blood away from kidney
  12. Urochrome
    Pigment that gives urine its color
  13. Renel Pelvis
    • Funnel shaped area where urine is collected
    • Before Ureters
  14. Ureters
    • Transports urine from kidney to bladder
    • 10-12" long
  15. Urinary Bladder
    • Hollow muscular organ
    • Reservoir for holding urine before excreted from body
    • Located anterior pelvic cavity behind symphysis pubis
    • Stores about 1 pint
    • Lined with rugae to allow expand and contract
    • Trygon region has no rugae
  16. Urethra
    • Tube from bladder to outside of body
    • Females = 1.5" long
    • Males = 8" long
    • Dual role = Males = both urine and semen
  17. Urethra Meatus
    External opening of the urethra
  18. Urination
    • Voiding
    • Micturition
  19. Nephrologist
    Kidney specialist
  20. Urologist
    • Specialist of female urinary system and
    • Genitourinary of male urinary system
  21. Nephrotic Syndrome
    • High levels of protein lost in urine
    • Damage to glomeruli
  22. Glomerulonephritis
    • Bright's Disease
    • RBC and proteins leak into urine
  23. Nephroptosis
    Kidney falling out of place
  24. Colic
    Spasmodic pains in abdomen
  25. Vesicovaginal Fistula
    • Abnormal opening between bladder and vagina
    • Allows urine to flow from bladder into vagina
  26. Dialysis
    • Hemodialysis = waste products filtered in machine (most common) 6-8hr
    • Paritonial Dialysis = filters inside body cavity (temp)
  27. Nephrons
    • Blood filtered out in Bowman's Capsule
    • Plasma travels through proximal convoluted tube (top)
    • Then loop of Henle
    • Then Distal Convoluted Tube (side)
    • Urine formed and collected in collection tubes
  28. Urinary Bladder
    • Projects upward as it fills
    • can hold 350ml of urine
    • Emptying reflex (voluntary control)
    • At 700-1000ml (no voluntary control)
    • Residual urine must stay in bladder to moisten (must never dry)
  29. Urethra
    • Tube forms at neck exit of bladder
    • Allows urine to leave body
  30. Incontinence
    • Uncontrollable loss of urine
    • Stress incontinence
    • Overflow incontinence
    • Urge incontinence

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