The Urinary Tract Flashcards Preview

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Flashcards in The Urinary Tract Deck (13)
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1
Q

What are the approximate dimensions of the kidney?

A

11 x 7 x 3 cm

2
Q

Describe the location of the 2 kidneys

A
Left kidney (L1)
Right kidney (L2, L3)
  • right kidney is lower due to liver situated above (T12-L3)
3
Q

Outline the internal structures of the kidney

A
renal pyramids
minor calyces
major calyces
renal pelvis
ureters
4
Q

What are the 3 defining regions of the kidney

A

Cortex - outer
Medulla - middle
Calyces conjugate into the hilum

5
Q

What is the hilum of the kidney?

A

Recessed fiscia containing:

  • renal arteries
  • renal veins
  • calyces
  • nerves
6
Q

Why is the right renal artery longer than the left?

A

Longer as it passes behind the vena cava

7
Q

What is the blood supply L/min to the kidneys?

A

1.2L/min

8
Q

What is the function of the ureters?

A

Carry urine from kidney to bladder

9
Q

How long are the ureters?

A

25-30 cm

retroperitoneal and receive blood supply from various vessels along their route

10
Q

Outline how the ureters enter the bladder

A

Enter bladder via ureteric meatus forming the corners of the trigone - apex points towards pubic symphysis

11
Q

What is the significance of the rugae membrane of the bladder?

A

Signals full bladder
2 ureters enter
1 urethra exits

12
Q

How is urinary continence maintained?

A

Via internal and external sphincters

- contracted bladder = relaxed sphincters

13
Q

What are the 3 parts of the male urethra?

A

prostatic, bulbous, membranous