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RENAL > Histology > Flashcards

Histology Flashcards

1
Q

Renin controls

A

Blood pressure and blood volume

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2
Q

Components of kidney capsule

A

Outer layer of fibroblast + collagen

Inner layer of myofibroblast

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3
Q

Cortex and medulla contain

A

Epithelial tubules, blood vessels and connective tissue

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4
Q

What are renal corpuscles

A

A functional unit

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5
Q

How do renal corpuscles look

A

Spherical

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6
Q

Capillary network of renal corpuscles

A

Glomerulus

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7
Q

Capsule of renal corpuscle

A

Bowmans’s capsule

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8
Q

Supply of glomerular capillaries

A

Afferent arteriole

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9
Q

Drainage of glomerular capillaries

A

Efferent arteriole

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10
Q

What occurs at vascular pole

A

Afferent and efferent arterioles penetrate and exit Bowman’s capsule

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11
Q

What is opposite to vascular pole

A

Urinary pole

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12
Q

Where does the proximal convoluted tubule begin

A

Urinary pole

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13
Q

Medullary rays looking through microscope

A

Straight

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14
Q

Cortycal labyrinth looking under microscope

A

Disorganized

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15
Q

Which is the longest section of the nephron

A

Proximal tubule

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16
Q

Proximal tubule looking under microscope

A

More cilinder + fuzzy material inside which is the brush border

17
Q

Distal tubule looking under microscope

A

More round

18
Q

Epithelium of nephrons

A

Low columnar epithelium

19
Q

Difference between intermediate and proximal tubule

A

Intermediate tubule lacks the fuzzy material (brush cells)

20
Q

What cannot be penetrated in the distal tubule

A

Water

21
Q

Where do papillary ducts end

A

Minor calyces

22
Q

Where are podocytes located

A

Visceral layer of Bowman’s capsule

23
Q

What joing the endothelium and podocytes

A

Glomerular basement membrane

24
Q

Mesengial cells do

A

Phagocytosis and endocytosis

25
Q

Do mesangial cells form part of juxtaglomerular apparatus

A

Yes

26
Q

What forms the juxtaglomerular apparatus

A

Macula densa
Juxtaglomerular cells
Extraglomerular mesangial cells

27
Q

What does the juxtaglomerular apparatus do

A

Regulate blood pressure through renin-angiotensin-aldosterone system

28
Q

Which pass paralel to blood vessels

A

Loop of henle and collecting tubules

29
Q

Why is the thick descending not as specialized in absorption

A

Due to less developed brush border + less lateral processes

30
Q

Composition of collecting tubules and collecting ducts

A

Simple epithelium + flattened cells + squamous cuoidal shape

31
Q

Light cells are

A

Collecting duct cells

32
Q

Dark cells are

A

Intercalated cells

33
Q

Cells of cortex

A

Fibroblasts

Peritubular capillaries

34
Q

Cells at medulla

A

Myofibroblasts

35
Q

Barriers that primordial urine has to cross

A

Endothelial layer
Basement membrane
Podocytes

RENAL (9 decks)

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