Urinair stelsel
1. Inleiding
1.1 Functies
− Excretie van organische afvalstoffen uit lichaamsvloeistoffen
o Ureum (eiwitten)
o Urinezuur (DNA)
o Urobiline (hemoglobine, gele kleur)
o Creatinine (spierweefsel)
− Eliminatie van organische afvalstoffen
− Homeostatische regeling van volume en concentratie opgeloste stoffen in bloedplasma
o Bloedvolume, bloeddruk
o Ionenconcentratie; Na+, K+, Cl-
o pH en bloed
o RBC gehalte door EPO
2. Anatomie
1
, 2.1 Nieren
2.1.1 Macroscopische bouw
− Boonvormig
− Ventraal bedekt met peritoneum
− Omgeven door vetkapsel
− Nierkapsel (capsula)
− Schorslaag (cortex, gekorreld)
− Merglaag (medulla)
o Piramiden met papillen
o Zuilen van Bertin
− Nierbekken of pyelon/pyelum
o Kleine nierkelken (calices minores)
o Grote nierkelken (calices maiores)
o Nierbekken (pyelon)
− Nierhilus met niervaten en ureter
2.1.2 Ligging
− Lumbaal
− Achter peritoneum
− Rechternier ligt lager dan linkernier (lever)
2.1.3 Situering tov de buik
− Intraperitoneale ruimte
= Omgeven door peritoneum
o Spijsverteringorganen e intra
− Retroperitoneale ruimte
= Achter peritoneum
o Nieren & bijnieren
o Stukken duodenum
o Stukken dikke darm e retr
o Stukken alvleesklier
− Subperitoneale ruimte
= Onder peritoneale ruimte
o Blaas es
o Urethra
o Dikke darm
Figure 1
o Voortplantingsorganen Intra: rood
retro: groen
Sub: blauw
2
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller cathoschool. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.81. You're not tied to anything after your purchase.