Hist for Path: 3 Flashcards
1
Q
Components of the lower urinary tract?
A
- Ureters
- Bladder
- Urethra
2
Q
Main function of ureter?
A
Drain urine at low pressure from kidneys to bladder
3
Q
What is trigone?
A
- Smooth inner area of bladder that funnels into urethra
- At the base of trigone are ureteral orifices
4
Q
3 layers of bladder from inner to outer?
A
- Transitional epithelium
- Lamina propria
- Detrusor muscle: deep muscle
5
Q
What is the urothelium?
A
- Transitional epithelium
- Covers renal pelvis, ureters, bladder, and parts of urethra
- 3 - 5 layers than can contract and expand
- Appears cuboidal when bladder is not distended
- Appears flat when bladder is distended
6
Q
What are umbrella cells?
A
- Epithelial cells at top of urothelium that cover rest of
7
Q
Functions of urothelium?
A
- Protect against changes in volume
- Protect from caustic effects of urine
8
Q
Where is urothelial carcinoma found often?
A
Most often in bladder
9
Q
Which urethra is connected to reproductive system?
A
Male
10
Q
How does female urethra protect itself from acidic urine?
A
Mucous secreting glands, called glands of Littre, help protect the epithelium from the effects of urine
