1. Chapter 9: The Urinary System Professor Fowler
Medical Terminology
Chapter 9: The Urinary System
Professor Fowler

2. Word Parts to know – ch 9 Cyst/o: bladder Glycos/o: sugar (glucose)
Lith/o: stone
Nephr/o: kidney
Noct/i: night
Olig/o: few, scanty
Ren/o: kidney
Ur/o, urin/o: urine
-lithiasis: condition of stones
-ptosis: drooping (sagging)
-uria: condition of urine

3. Vocabulary Calculus: stones made of calcium Catheter: flexible tube
Diuresis: increased urine production
Frequency: urination often
Hesitancy: pause before urination
Micturition: urination
Stricture: narrowing
Urgency: urge to urinate now
Urinary incontinence: inability to hold urine
Urinary retention: urine in bladder after void
Voiding: urination

4. Abbreviations ARF: acute renal failure BUN: blood urea nitrogen
Cath: catheter (flexible tube)
CL- : chloride
ESRD: end stage renal disease
H2O: water
I&O: intake and output
K+ : potassium
KUB: kidneys, ureters, bladder
mL: milliliter
Na+ : sodium
UA: urinalysis
UTI: urinary tract infection

5. The Urinary System Also referred to as Genitourinary system
Purposes filter and remove waste products from the blood
Uremia: excess waste products in the blood
Hematuria: blood in the urine
Nephron: functional unit
of kidney
Consists of 2 kidneys,
2 ureters, 1 bladder,
and 1 urethra

6. The Kidneys Lumbar region of back (retroperitoneal)
Shaped like a kidney bean
Hilium: area of concave (everything enters and leaves from this area)
Cortex: outer portion (protection)
Medulla: inner portion (filtering)

7. Ureters
Tube from kidneys to bladder
10-12 inches long

8. Urinary bladder Elastic muscular sac Rugae
Stores urine until released through urination
Average holds 250 mL
Sphincters
Internal
external

9. Urethra Tube that carries urine from bladder to outside world
Urinary meatus: opening to outside
1 ½ inches long in females
Average 8 inches long in males (functions for urinary and reproductive system)

10. Urine Normally straw colored to clear 95% water
Other 5% is dissolved substances (wastes)
Urinalysis

11. Combining Forms Match Up
cyst/o
glycos/o
lith/o
nephr/o
olig/o
sugar
stone
kidney
scanty
bladder