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1a2 samenvatting week 8

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colleges van week 9 1a2

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  • November 11, 2021
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  • 2021/2022
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Week 8: Buik

HC.1 ANATOMIE VAN DE TRACTUS DIGESTIVUS


Tractus digestivus
Het grootste deel van de tractus digestivus zit in het abdomen. De buikholte wordt
beschermd door botten (ribben en os iliaca), maar voornamelijk voorgegeven door spieren,
ook aan de achterkant.




Tegenwoordig worden buikoperaties laparoscopisch gedaan.


Overzicht organen

, Lokaliseren met het transpylorisch vlak




Transpylorische vlak: L1
Navel: L3


De 9 regio’s

,HC.3 ANATOMIE BOVENBUIK


Buikwandbekleding (peritoneum of buikvlies)
Het peritoneum bestaat uit 3 delen:
1. Parietaal peritoneum
2. Visceraal peritoneum
3. Mesenterium (= verbinding met de buikwand)




Door het mesenterium gaan arterien, venen, zenuwbanen, lymfen heen en vetweefsel is
erin opgeslagen.




De ligging van organen
De ligging van organen ten opzichte van het peritoneum heeft 3 opties:
1. Intraperitoneaal
2. Retroperitoneaal
3. Subperitoneaal

, Retroperoteniaal kan primair en secundair. Primair retroperoteniaal is achter het
peritoneum ontstaan en altijd achter blijven.
Voorbeelden: aorta, nieren
Secundair houdt in dat ze intraperitoneaal in de buikholte ontstaan zijn maar later is
vergroeid met de achterwand en achter het peritoneum ligt.
Voorbeeld: delen van het colon (ascendens)




Intraperitoneaal vs. retroperitoneaal


Intraperitoneaal Retroperitoneaal
Maag Nieren
Milt Pancreas
Lever Duodenum (sec.)
Jejunum Colon ascendens (sec.)
Ileum Colon descendens (sec.)
Ceacum & appendix Rectum (sub.)
Colon transversum
Colon sigmoideum

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