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Flashcards in Lower UT Deck (12):
1

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Epithelial lining of the ureters & urinary bladder?

Transitional epithelium or Urothelium

3

After the urethra passes through the prostate gland, the epithelial lining switches to?

pseudo stratified or columnar

4

The urethral epithelial linking just prior to exiting the urethral meatus switches to?

squamous

5

Urothelium contains specialized cells called

umbrella cells that allow for stretching with luminal pressure

6

Renal calculi tend to lodge at which sites in the ureters?

where the ureters cross the iliac borders, ureteropelvic junction, & entrance to the bladder

7

Ureter obstruction may cause 10X dilation of ureter diameter, this is called?

Hydroureter

8

Long-standing chronic irritation can lead to Ureteritis Follicularis --?

small nests of urothelium w/ granular appearance

9

Long-standing chronic irritation can lead to Ureteritis Cystica ---?

nests of urothelium w/ cystic dilation that project off the ureteral mucosa

10

Most common malignancy of the lower UT?

Urothelial cell carcinoma

11

Benign neoplasms of the lower UT?

Usually mesenchymal in origin (fibrous tissue, blood vessels, lymph, SM)

12

3 zones of bladder urothelium

Superficial zone - umbrella cells Intermediate zone Basal zone