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Samenvatting klopto 2.1 vasculair I
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samenvatting van de leerdoelen en aantekeningen van het derde hoorcollege van klopto 2.1 gegeven door Nelleke Brand.
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Hoorcollege 3 Klopto 2.1vasculair 1
Leerdoelen
Uit welke lagen bestaat het netvlies?
Hoe is de bloedtoevoer en afvoer in het netvlies?
Arteriële systeem:
- Centrale retnale arterie
o Komt de optsche zenuw ± 1 cm voor de oogbal binnen
o Bestaat uit 3 verschillende lagen
Intma (binnenste) bestaat uit enkele laag endotheel die op een
collageenachtge zone rusten
Interne elastsche lamina scheidt intma van media
Media spier
Adventta los bindweefsel
- Retnale arteriolen
o Ontstaat uit de centrale retnale arterie
o Bestaat uit glad spierweefsel
Capillairen:
- Voorzien 2/3 van de retna van bloed
- Binnenste capillaire netwerk bevindt zich in de ganglionlaag
- Buitenste capillaire netwerk in de binnenste nucleaire laag
- Wanden bestaan uit:
o Endotheel cellen 1 laag op het basaalmembraan en zijn aan elkaar gekoppeld door
tght junctons 쳈 bloed-retna barrirre
o Basaalmembraan
o Pericyten liggen buiten de endotheelcellen en hebben meerdere pseudopodische
processen die de haarvaten omhullen
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