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Histologie > Niere > Flashcards

Niere Flashcards

0
Q

Funktionelle Einheit der Niere

A

=Nephron
Corpusculum renale
Tubulussystem

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1
Q

Funktion

A

Blutdruckregelung
Hormonproduktion
Harnproduktion/harnpflichtige Substanzen ausscheiden
Säure-Basen Haushalt

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2
Q

Corpusculum renale

A

Glomerulum
Bowmankapsel
Lamina densa und 2 Laminae rarae

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3
Q

Lamina rara

A

aus Heperansulfat

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4
Q

Lamina densa

A

Kollagen 4
Laminin
Fibronectin
-> mechanischer Filter

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5
Q

Glomerulusschranke

A 
Endothelzellen
Basalmembrankomplex
Podozyten
Mesangiumzellen
Zellen der Bowmankapsel
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6
Q

juxtaglomerulärer Apparat

A

Polkissen (Granula enthalten Renin)
Makula densa (misst Na Konzentration)
extraglomeruläre Mesangiumzellen (Regulation der Nierendurchblutung)

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7
Q

Gefäßbaum

A 
A. interlobares
A. arcuata 
A. interlobulares
Vasa afferentes 
Vasa efferentes 
rindennahe: peritubuläres Kapillarnetz
marknahe: Vasa recta ins Mark
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8
Q

Vasopressin

A

Produktion : Hypothalamus

Abgabe: Hypophysenhinterlappen

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9
Q

Zellen des Corpusculum renale

A

Endothelzellen
itraglomeruläre Mesangiumzellen
Podozyten
Zellen der Bowmankapsel

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10
Q

Kapillarart im Glomerulus

A

Kapillare mit Poren

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11
Q

Markstrahl

A

gerader Tubulusanteil in der Rinde + Sammelrohre

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12
Q

Henle Schleife

A

gerader Anteil vom prox Tubulus
intermediär Tubulus
gerader Anteil vom dist Tubulus

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13
Q

Sammelrohr

A

helle Hauptzellen
dunkle Schaltzellen mit Mikrovilli
einschichtig isoprismatisches Epithel

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Histologie (7 decks)

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