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Renal Week 1 > Embryology > Flashcards

Embryology Flashcards

1
Q

what dermal layer does kidney arise from?

A

intermediate mesoderm

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2
Q

name the three pairs of kidneys that develop in utero?

A

pronephros
mesonephros
metanephros

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3
Q

which of the kidneys is the one that we use permanently?

A

metanephros

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4
Q

which of the kidneys is never functional?

A

pronephros

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5
Q

which of the kidneys function temporarily then only serve purpose of male repo tract?

A

mesonephros

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6
Q

what are kidneys called when they begin development?

A

nephrogenic cord

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7
Q

what does the ureter develop from?

A

mesonephric duct

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8
Q

what does the bladder develop from?

A

urogenital sinus

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9
Q

what does the urethra develop from?

A

urogenital folds

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10
Q

what do urogenital folds also lead to in males?

A

the penis

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11
Q

do fetus pee in utero?

A

oh yeah…amniotic fluid depends on it

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12
Q

what is oligohydramnios?

A

too little amniotic fluid

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13
Q

what can a renal cause of oligohydramnios be?

A

renal agenesis or urinary obstruction

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14
Q

what is polyhydramnios?

A

too much amniotic fluid

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15
Q

what can cause polyhydramnios?

A

fetus cannot swallow the usual amounts of amniotic fluid

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16
Q

is potters sequence associated with oligo or polyhydramnios?

A

oligo

17
Q

what is a common etiology of potters sequence?

A

bilateral renal agenesis

18
Q

describe the features appearing with potters sequence

A

facial abnormalities, limb abnormalities, pulmonary hypoplasia

19
Q

what is posterior urethral valves? does it occur in males or females?

A

membrane that develops blocking the exit of urine from bladder and into urethra
in males

20
Q

what can posterior urethral valves lead to?

A

urine retention…dilated bladder…oligohydramnios

21
Q

how does a horseshoe kidney form?

A

inferior poles of the kidneys fuse in development

22
Q

how does a horseshoe kidney function?

A

normally

23
Q

where would a horseshoe kidney be found?

A

lower than normal kidneys because ascend is blocked by mesenteric artery

24
Q

what is a duplex collecting system? what causes this?

A

two ureters draining one kidney

caused by splitting of ureteric bud

25
Q

what can the duplex collecting system cause in the bladder?

A

a uterocele

26
Q

what is a uterocele?

A

when the ureter bulges into the bladder

27
Q

what is CSFK? what is the cause of it?

A

congenital solitary functioning kidney

unilateral failure of kidney to form

Renal Week 1 (8 decks)

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