Urinvägar Flashcards

1
Q

kvinnlig uretra

A

⅔ prox urotel
⅓ dist flerskiktat skvamöst

ev. Littres

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2
Q

manlig uretra

A

pars prostatica: urotel
pars spongiosa: ⅔ prox urotel, ⅓ dist flerskiktat skvamöst

ev. Littres

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3
Q

Littres körtlar

A

mukösa i uretra, skyddar epitelet mot urin

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4
Q

vesica urinaria

A
  • urotel
  • Detrusor (3 lager)
  • adventitia, serosa
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5
Q

hur differentierar man mellan urinblåsa/gallblåsa?

A

urotel/enradigt cylinderepitel

gallblåsa: mkt tunn muskel, tjock adventitia med fett

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6
Q

ureter

A
  • två muskellager (tre dist)
  • urotel
  • tjock lamina propria
  • adventitia: ffa fett
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7
Q

hur differentierar man mellan ureter/urethra?

A

större muskellager kring ureter

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8
Q

njurkorpuskler

A
  • glomeruli

- Bowmans spatium (kapsel): vitt mellanrum, viscerala podocyter, parietalt epitel

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9
Q

JGA

A

dist tubuli i anslutning till glomeruli

macula densa: smala celler, mkt täta kärnor

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10
Q

prox tubuli

A
  • 90% av njurbark
  • micovilli (otydlig lumengräns
  • enkelt kuboidalt/cylindriskt
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11
Q

dist tubuli

A
  • få (10% av barken?)
  • distinkt lumengräns
  • enkelt kubiskt epitel
  • ljusare celler + större lumen
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12
Q

Henles slynga

A
  • njurmärgen

- platt epitel, kärnor buktar ut

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