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Renal > Histology > Flashcards

Histology Flashcards

1
Q

what shape is a kidney

A

bean shaped

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2
Q

what is th kidney covered in?

A

thin but strong capsule of dense collagen fibres

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3
Q

what is important about the hilum

A

it its the site of entry of renal artery and exit of renal vein and ureter

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4
Q

what is the nephron composed of?

A

renal corpuscle, renal tubules

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5
Q

what makes up the renal corpuscle

A

glomerulus, bowman capsule

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6
Q

what is the histology of bowman capsule

A

simple squamous epithelium

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7
Q

how many layers separate the blood from the glomerular filtrate?

A

2- capillary endothelium and specialised epithelium

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8
Q

what is the special epithelium that lines the renal corpuscle called?

A

podocytes

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9
Q

what do mesangial cells do?

A

forms connective tissue core called mesangium which support and remove debris

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10
Q

what is the histology of proximal convoluted tubule

A

simple cuboidal cells

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11
Q

what kind of appearance do proximal convoluted tubules have?

A

hairy appearance

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12
Q

what is the lining of the Loop of Henle

A

simple squamous epithelium then becomes simple cuboidal cells

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13
Q

what are the blood vessels called that dip into medulla then climb back up to the cortex called?

A

vasa recta

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14
Q

what are the distal convoluted epithelium lined by?

A

simple cuboidal epithelium- distal collecting duct lack a brush border (few microvilli)

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15
Q

which is more squished, proximal or distal collecting tubule

A

distal

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16
Q

where do the medullary rays point to?

A

medulla

17
Q

what is the histology of the collecting ducts

A

simple columnar epithelium

18
Q

what 3 things make up the juxtaglomerular apparatus

A

macula densa, juxtaglomerular cells, extraglomerular mesangial cells (lacis)

19
Q

what do juxtaglomerular cells do

A

secrete renin

20
Q

what lines the majority of the urinary tract

A

transitional epithelium/ urothelium

21
Q

what are the cells called that are on lumens surface of urinary tract

A

umbrella cells

22
Q

what is the lining of the urethra in a female

A

transitional epithelium- stratified squamous

23
Q

what is lining of urethra in males

A

transitional epithelium- stratified columnar- stratified squamous at penis tip

Renal (18 decks)

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