LAB 6 Flashcards

1
Q

note the position of the kidneys compared to the peritoneum. What term describes its relationships?

A

Retroperitoneal

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2
Q

What endocrine glands are on the superior pole of the kidneys?

A

Adrenal glands

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3
Q

What is the medial border of the kidneys called?

A

Hilus

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4
Q

Name 3 structures that enter or leave the kidneys at this area:

A
  • Renal artery
  • Renal vein
  • Ureters
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5
Q

what is the tip of the pyramid called?

A

Renal papilla

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6
Q

What part of the calyces system in next to the tip (renal papilla)?

A

Collecting duct

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7
Q

Which type of arteriole supplies the glomerulus, and which drains the glomerulus?

A

Afferent supplies

Efferent drains

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8
Q

What is the difference between cortical nephrons and juxtamedullary nephrons?

A

Juxtamedullary has a longer nephron loop and better connection to blood supply, vasa recta.

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9
Q

The ________ capillaries are near the convoluted tubules;

the _________ are looping vessels near the long loops of Henle in the renal medulla.

A
  • peritubular

- vasa recta

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10
Q

A renal corpuscle includes a glomerulus plus _______.

A

Bowman’s capsule

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11
Q

What is the glomerulus?

A

knot of capillaries

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12
Q

What are fenestrations?

A

capillaries with tiny pores for filtration

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13
Q

The visceral layer of Bowman’s capsule has podocytes. The outer layer of Bowman’s capsule is the parietal layer. What fluid is in between these 2 layers?

A

Filtrate

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14
Q

How is this fluid different from plasma (what’s not filtered)?

A

proteins
RBC’s
white blood cells
platelets

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15
Q

Filtration

A

occurs in glomerulus from blood to filtrate

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16
Q

Reabsorption

A

tubular fluid back to blood

17
Q

Secretion

A

Blood—-tubular fluid

paratubular capillaries and vasa recta

18
Q

What are macula dense cells?

A

Part of DCT

send signal to JG cells los secrete renin

19
Q

What are juxtaglomerular called?

A

release renin

20
Q

What is the function of renin?

A

causes release of angiotensinogen

21
Q

Where does angiotensinogen come from?

A

liver

22
Q

Where does angiotensin 1 get converted into angiotensin 2?

A

lungs

23
Q

What are the function of angiotensin 2?

A

vasoconstrictor

releases ADH and aldosterone

24
Q

Function of aldosterone?

A

reabsorb sodium

25
Q

Functions of ADH?

A

reabsorb water by aquaporins

26
Q

What is the difference in length between the male and female urethra?

A
males= longer 18cm
females= 3-4cm
27
Q

What is one consequence of this difference?

A

easier for cells to go up shorter urethra

28
Q

What are the 3 section of the male urethra?

A
  • prostate urethra
  • membranous (external urethral sphincter)
  • spongy