Lower UT

Question 2

Epithelial lining of the ureters & urinary bladder?

Answer 2

Transitional epithelium or Urothelium

Question 3

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

Answer 3

pseudo stratified or columnar

Question 4

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

Answer 4

squamous

Question 5

Urothelium contains specialized cells called

Answer 5

umbrella cells that allow for stretching with luminal pressure

Question 6

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

Answer 6

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

Question 7

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

Answer 7

Hydroureter

Question 8

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

Answer 8

small nests of urothelium w/ granular appearance

Question 9

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

Answer 9

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

Question 10

Most common malignancy of the lower UT?

Answer 10

Urothelial cell carcinoma

Question 11

Benign neoplasms of the lower UT?

Answer 11

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

Question 12

3 zones of bladder urothelium

Answer 12

Superficial zone - umbrella cells Intermediate zone Basal zone