Samenvatting Circulatie | Vergelijkende biologie | KU Leuven | 2026/27

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Samenvatting Circulatie | Vergelijkende biologie | KU Leuven | 2026/27

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Samenvatting van Hoofdstuk 14 (Circulatie) uit het vak Vergelijkende biologie aan de KU Leuven. Dit document behandelt de samenstelling van bloed, bloedstolling, anticoagulatie, en het circulatiesysteem bij verschillende organismen van invertebraten tot vertebraten. Ook cardiovasculaire aandoeningen zoals atherosclerose, hartaanval en stroke zijn opgenomen. Ideaal voor examenvoorbereiding - alle kernconcepten zijn helder samengevat met focus op de vergelijkende aspecten tussen verschillende diergroepen.

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Hoofdstuk 14 – Circulatie
14.1 Samenstelling bloed
Bloed = bindweefsel met vloeibare matrix (=plasma) + cellen
Functies:
Transport
 Aanvoer O2 en voedingsstoffen
 Afvoer van CO2 en afvalproducten
Regulatie: lichaamsfuncties: vervoer hormonen, t°
Bescherming tegen invasie en beschadiging
 Bloedstolling
 Immuniteit

Plasma (= matrix): 92% water +
 Nutrienten, afvalproducten, hormonen
 Ionen
 Plasmaproteinen (albumine, globulines, fibrinogeen)

Cellen:
 RBC/ erythrocyten (! Kernloze cel)
 Hematocriet-waarde = totale bloedvolume ingenomen door
RBC
 Bevatten hemoglobine  O2 transport
 WBC/ leukocyten
 Kunnen migreren uit bloedvaten
 Granulair of agranulair
 Bloedplaatjes/ thrombocyten:
 Celfragmenten afkomstig van megakaryocyten in beenmerg
 Bloedklontering!

SAMENVATTING

Bloedcel Levensduur in het

, bloed

120 dagen O2 en CO2 transport

7 uur Immuun-defensie

Onbekend Verdediging tegen parasieten

Onbekend Ontstekingsreactie

3 dagen Immuun-afweer (precursor van
weefselmacrofagen)

Onbekend Antilichaamproductie (precursor
van plasmacellen)

Onbekend Cellulaire immuun-respons

7-8 dagen Bloedstolling

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Study: Biomedische Wetenschappen
Uploaded on: August 26, 2026
Number of pages: 9
Written in: 2026/2027
Type: Summary

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Samenvatting Vergelijkende Biologie | KU Leuven | 2026/27

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circulatie
vergelijkende biologie
bloedstolling
circulatiesysteem
atherosclerose
hartaanval
hemoglobine
cardiovasculair
biomedische wetenschappen
ku leuven

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