Urinary System Flashcards

1
Q

What are the organs of the urinary system?

A
  • kidneys
  • renal pelves
  • ureter
  • urinary bladder
  • urethra
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2
Q

Is the kidneys intraperitoneally?

A

No, they lie in the retroperitoneal space

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3
Q

What two muscles are underlying the kidneys?

A

Posas major and quadratus lumborum

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4
Q

There is an indentation by the vertebral column that the kidneys lie in. What is it called?

A

Lumbar gutter

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5
Q

What is the renal sinus?

A

A cavity enclosed by renal parenchyma. It can be visualized after removing vessels, nerves, fat and renal pelvis. Projecting into the renal sinus are pyramidal elevations known as renal papillae.

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6
Q

What two distinct regions can you find in the kidneys internal structure?

A

Renal medulla and renal cortex

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7
Q

The renal medulla has what shapes?

A

Pyramidal

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8
Q

What creates the renal medulla?

A

Straight segments of renal tubules

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9
Q

The apices of renal medullary pyramids create what?

A

Renal papilla

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10
Q

What does the renal papilla have as epithelium?

A

Cribiform area produced by the openings of papillary ducts

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11
Q

What are the renal columns?

A

Extensions of the cortex between the medullary pyramids

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12
Q

What are medullary rays?

A

Continuations of the medullary substance radiating from the bases of the pyramids towards the capsule

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13
Q

What is the cortex corticis?

A

The cortical part containing the medullary rays

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14
Q

What is the cortical labyrinth?

A

The part of the cortex with the renal columns

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15
Q

Waste substances are carried to the kidneys by what artery?

A

Renal artery

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16
Q

At what level does the renal artery spring from the abdominal aorta?

A

L1

17
Q

What veins drain the kidneys?

A

The renal vein

18
Q

What veins will join the left renal vein?

A

Left suprarrenal vein and left gonadal vein (testicular/ ovarian)

19
Q

What nerves innervates the kidneys?

A

Renal nerve plexus which arises from celiac plexus

20
Q

At what level does the superior pole of the kidney lie, and at what level does the inferior pole lie?

A

T12 and L3

21
Q

What branches does the segmental arteries in the kidneys give of?

A

Interlobar arteries and arcuate arteries

22
Q

Two nerves passes the kidneys posteriorly. Which ones?

A

Iliohypogastric and ilio-inguinal nerves

23
Q

What does the renal capsule consist of?

A

Renal fascia and perirenal fat capsule.

24
Q

Where is the renal fascia closed?

A

Around the posterior side and superior pole. Its inferior side is only closed by adipose tissue, and the medial side is open to let vessels and nerves enter the hilum of the kidney.

25
Q

What are the components of the renal pelvis?

A

Minor and major calices

26
Q

The ureter can be divided into three parts. Which?

A

Abdominal part, a pelvic part and a intramural part

27
Q

Which vessels supply the renal pelvis?

A

The renal artery and vein

28
Q

Which vessels supply the ureter?

A

The ureter in supplied by branches from surrounding arteries. Renal artery, testicular artery internal pudendal artery and superior vesicular artery. The arteries are accompanied by veins of the same name.

29
Q

Where is the first constriction of the ureter?

A

As it leaves the renal pelvis

30
Q

Which structures crosses over/under the ureter?

A

Under: genitofemoral nerve
Over: testicular/ovarian artery
Under: common iliac/external iliac

31
Q

What is the site of the second constriction of the ureter?

A

Where the ureter crosses over the iliac vessels

32
Q

What are the parts of the bladder?

A

Body, apex, fundus and neck of urethra

33
Q

Which ligament is attached to the apex of the bladder?

A

Median umbilical ligament

34
Q

What are the borders of the trigone of the bladder?

A

The two orifices of the ureters and the orifice of the urethra.

35
Q

What is the uvula of the bladder?

A

A conical elevation produced by the underlying prostate that project into the internal urethral orifice.

36
Q

Which arteries supply the urinary bladder?

A

Superior vesicle artery -> umbilical artery -> internal iliac
Inferior vesicle artery -> internal iliac

37
Q

What veins drains the urinary bladder?

A

A vesical venous plexus, which then empty into the internal iliac vein

38
Q

In what ligament does the female ureters run?

A

Broad ligament of the uterus