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IMED3002 > Anatomy of the kidneys > Flashcards

Anatomy of the kidneys Flashcards

1
Q

Which kidney is more inferior and why?

A

The right kidney due to the position of the liver

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2
Q

Is the kidney retroperitoneal or intraperitoneal?

A

Retroperitoneal

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3
Q

What does the urethra and the 2 ureters form?

A

The trigone of the bladder

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4
Q

What are the main functions of the kidneys?

A

Remove metabolic waste Control RBC production Regulate BP Regulate Volume and pH of body fluids Is involved in Vitamin D synthesis

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5
Q

What is the TransPyloric Plane?

A

The TPP is a theoretical line halfway between jugular notch and the pubic symphysis. It is also known as Addison’s plane

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6
Q

What structures does the TransPyloric Plane pass through?

A

The Pyloris of the stomach, the hilum of both kidneys and the L1 spine.

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7
Q

What direction is the long axis of the kidneys angled relative to the vertical midsagittal plane?

A

Inferolaterally with lower end facing away from midsagittal plane

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8
Q

Which kidney is further away from the midsagittal plane?

A

The right kidney

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9
Q

Where are the kidneys located relative to the spinal chord?

A

T12 - L3

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10
Q

How far is the hilum of the kidneys from the midsaggital plane?

A

5cm

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11
Q

What colour are the kidneys?

A

Reddish Brown

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12
Q

What shape are the kidneys?

A

Bean shaped

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13
Q

What tissue directly encapsulates the kidneys?

A

Tough fibrous renal capsule

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14
Q

What are the kidney’s dimensions?

A

3x6x11

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15
Q

Which kidney is longer?

A

The left kidney may be 1.5cm longer

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16
Q

How much does the kidney typically weigh?

A

150 grams in males 135 grams in females

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17
Q

Which border of the kidney is convex and which is concave?

A

Lateral border is convex Medial border is concave

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18
Q

Where are kidney hilum structure located relative to each other?

A

Renal vein is most anterior Renal artery is most posterior Renal pelvis is most inferior

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19
Q

What direction does the kidney’s anterior border face?

A

Anterolaterally

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20
Q

What direction does the kidney’s posterior border face?

A

Posteromedially

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21
Q

What is the shape of the superior border of the kidneys?

A

Rounded, thick, and nearer to the midline of the body

22
Q

Which pole is larger; the superior or inferior pole of the kidney?

A

The Superior pole

23
Q

What are the layers that surround the kidneys?

A

Renal capsule -> Perirenal fat -> Fascia of gerota -> pararenal fat -> Parietal peritoneum

24
Q

Where does the fascia of gerota originate?

A

The fascia of the Transversus Abdominus

25
Q

What are the contents of the renal bed?

A

Diaphragm Psoas major + Quadratus Lumborum Transversus abdominis Medial and lateral collateral lumbocostal arches 11th and 12th rib

26
Q

Which ribs run posteriorly to the right kidney?

A

11th rib only

27
Q

Which ribs run posteriorly to the left kidney?

A

11th and 12th rib

28
Q

Which nerves run posterior to the kidneys?

A

Ilioinguinal N Iliohypogastric N Subcostal N

29
Q

Which muscles run posteriorly to the kidneys?

A

Diaphragm superiorly which separates kidneys from 12th pair of ribs Psoas major medially Quadratus lumborum in the center Transversus abdominis laterally

30
Q

Which part of the kidney does the diaphragm run posteriorly to?

A

Superiorly

31
Q

Which part of the kidney does the psoas major run posteriorly to?

A

medial side

32
Q

Which muscle runs posterior to the lateral side of the kidney?

A

Transversus abdominis

33
Q

Which muscle runs directly posterior to the kidney?

A

Quadratus lumborum

34
Q

Which organs run anteriorly to the right kidney?

A

Right lobe of the liver superiorly duodenum near the hilum and medial side of the kidney right colic flexure Loops of jejunum inferiorly Right suprarenal gland superiorly which is also covered by the right lobe of the liver

35
Q

What organs run anteriorly to the left kidney?

A

Stomach superiorly Spleen superiolaterally Pancreas at the hilum and medial surface left colic flexure inferolaterally Loops of jejunum inferomedially Leftsuprarenal gland which is also covered by gastric surface

36
Q

What are the 2 types of structures that make up the kidneys?

A

Renal parenchyma (glandular tissue) Renal sinus (cavity within the kidney)

37
Q

What structures is the renal parenchyma composed of?

A

Renal cortex Renal medulla

38
Q

What structures occupy the renal sinus?

A

Renal Pelvis Calices Vessels Nerves Variable amount of fat

39
Q

What shape is the renal parenchyma in a frontal section?

A

C-shaped

40
Q

What are renal calices?

A

Tubes within kidneys that move the urine into the renal pelvis

41
Q

What are the 2 components of the renal parenchyma?

A

Renal cortex Renal medulla

42
Q

What structures project from the renal medulla into the cortex?

A

Medullary rays (up to 500 of them)

43
Q

What structures are found in the renal medulla?

A

8 - 12 renal pyramids Renal papillae Renal columns

44
Q

What is another name for renal columns?

A

Columns of Bertini

45
Q

What does the renal pelvis do?

A

Collects urine from all major calices and drains them into ureters

46
Q

What structures drain into the major calices?

A

Minor calices

47
Q

What are renal columns?

A

An extension of the renal cortex between the renal pyramids

48
Q

What do the renal columns do?

A

It keeps the renal cortex well anchored It contains the blood vessels that supply the blood to the cortex where filtration takes place

49
Q

How many lobes does each kidney typically have?

A

8 - 18

50
Q

What are the components of a single renal lobe?

A

A single renal pyramid overlying renal cortex Adjacent renal columns

51
Q

What makes up a single renal lobule?

A

single medullary ray and surrounding cortical tissue

52
Q

What structures are contained within renal lobules?

A

A collecting duct and all nephron units that drain into it

IMED3002 (46 decks)

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