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renal > embryology > Flashcards

embryology Flashcards

1
Q

three generations of kidney

A

pronephros, mesonephros, metanephros

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2
Q

what kidney generation forms uretic bud>

A

metanephros

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3
Q

pronephros degen vs diff direction

A

deign cranially, diff caudally

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4
Q

when does mesonephros function

A

4-6 wk, regresses by 12 week

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5
Q

urorectal septum separates cloaca into

A

urogenital sinus and anorectal canal

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6
Q

trigone tissue type

A

mesoderm>ectoderm

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7
Q

urogenital sinus: cranial, next, phallic

A

bladder, pelvic urethra, vag/penile urethra

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8
Q

when does metanephric ascend

A

6-9 weeks

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9
Q

what is original mesoderm urogenital system originates from

A

intermediate mesoderm

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10
Q

initial shared cavity is the

A

cloaca

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11
Q

what persists in male to form ductal system?

A

mesonephtric ducts

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12
Q

nephritic vesicle differentiates from

A

metanephric cap, triggered by tip of tubule

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13
Q

vestibule of vagina comes from

A

phallic segment of urogenital sinus

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14
Q

potters syndrome

A

bilateral renal agenesis»>ologohydraminos, compression of fetus, deformities.

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15
Q

urachal cyst

A

allendois fails to close, won’t notice unless infected

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16
Q

uracil sinus

A

part of Uranus is patent, opens to umbilicus, NOT URINE

17
Q

urachal fistula

A

entirely patent, urine escapes

18
Q

metanephric diverticulum comes from

A

mesonephric duct… forms metanephros

19
Q

ureteric buds form

A

collecting ducts and ureters

20
Q

what forms bowman capsule

A

metenephric blastemal

21
Q

metanephros starts working when?

A

week 10

22
Q

Incomplete division of the metanephric diverticulum

A

duplicated ureter

23
Q

accessory renal arteries are

A

end arteries

24
Q

what region of the embryo does the pronephtros start

A

cervical

renal (13 decks)

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