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Anatomi 2. hf > Urinorganer > Flashcards

Urinorganer Flashcards

1
Q

Nyrernes typografiske placering

A

dorsalt i bughulen

den højre en halv nyrelængde mere cranialt

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2
Q

nyrenes funktion

A

udskillelse af affaldstoffer, fremmedstoffer og regulering af blodets og vævets osmotiske tryk

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3
Q

Ren

A

nyrer

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4
Q

ureter

A

urinleder

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5
Q

vesica urinaria

A

urinblære

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6
Q

urethra

A

urinrør

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7
Q

hvilke lag findes i urinblærevæggen?

A

peritoneum (bughinde)
glat muskulatur
overgansepithel

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8
Q

hvor udmunder urinrøret?

A

lidt inde for skedeåbningen eller på glans penis

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9
Q

hvad udmunder i nyrens hilus?

A

a. renalis
v. renalis
ureter
nerveforsyning

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10
Q

medulla

A

nyremarv

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11
Q

cortex

A

nyrebark

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12
Q

pelvis renalis

A

nyrebækken

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13
Q

capsula adiposa

A

fedtkapsel

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14
Q

hvad gør den efferente arteriole?

A

fører blodet væk fra glomerulus

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15
Q

hvad gør den afferente arteriole?

A

fører blodet til glomerulus

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16
Q

hvilke 3 fysiologiske processer har indflydelse på urinens dannelse?

A

filtration
reabsorption
sekretion

17
Q

hvor foregår filtrationen?

A

i glomerulus

her dannes også præurin

18
Q

hvor foregår reabsorptionen?

A

i rørsystemet (tubuli)

mest i den proximale

19
Q

hvor sker sekretionen?

A

i tubuli

20
Q

hvilken arteriole har den største diameter? afferente/efferente?

A

tilførende (afferente)

21
Q

hvordan dannes filtrationstryk?

A

blodtryk-kapseltryk-osmotisk trykforskel = filtrationstryk

22
Q

hvilken reabsorption sker i proximal tubuli?

A

aktiv reabsorption af salt, passiv af vand
urin reduceres
osmotisk tryk forbliver konstant

23
Q

hvilken reabsorption sker i henles slynge?

A

ned: kun vand, trykket stiger
op: kun salt, tryk falder

24
Q

hvilken reabsorption sker i distale tubuli?

A

aktiv reabsorption af salt, passiv af vand.

tryk forbliver konstant

Anatomi 2. hf (6 decks)

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