Urinary system consist of some parts ,one of them is kidney.Urine is one of this system products and help identify this system problems .

1. Fourth section laboratory physiology
Prepared by:
Dr.Afagh Bapirzadeh

2. The urinary system
components
• Kidneys
• Ureters
• Bladder
• Urethra
• Kidneys filtrate 125ml in one
minute ,they reabsorb 124 ml and
produce 1ml of urine .
• Every 24 hours a normal person
should have 1500ml urine
• Kidneys also play crucial roles in
balancing fluids and body
electrolytes
• They produce renin which is
important in blood pressure

3. How urine is
produced ????
The kidneys filter the
blood
The ureter transport
urine
The bladder store
urine
The brain send signals
to urinate
The urethra conducts urine from
bladder to the outside of the body

4. Why urine ??

5. Different
types of urine
samples
Baby urine bag
24h urine gathering
Random urine bottle

7. Urine macroscopic
analysis
Urine
Urine
volume
Urine
smell
Urine
color

8. Urine microscopic analysis
Urine is 95% water +5%
waste products
In the urine there exist
different types of cells :
• Epithelial cells
• WBCs/RBCs/Ghost
RBCs
• Bacteria
• Yeast
• Parasite

9. casts
Hyaline cast
Granular cast
Epithelial cast
Fatty cast
RBC cast/WBC cast
Waxy cast

10. Urine analysis procedure in the lab
• Put on your gloves to avoid
any contamination
• Open the lid of the urine
bottle
• Put one drop of urine on the
slide
• Put one slide cover on it
• Look under the microscope
• Discard the slide after work

11. The actual work
• Bring your own urine sample to the
class
• Wear gloves to avoid contamination
• Open the lid of the bottle
• Put one of the stipes in the urine for
a few seconds
• Immediately bring the strip out of
the urine and put it near the bottle
surface
• Compare the changed color with the
colors on the surface of the bottle