Katabole en anabole reacties......................................................................................................................... 4
Het Hart......................................................................................................................................................... 8
Veroudering en circulatiestelsel................................................................................................................... 11
Cardiale problemen en vallen....................................................................................................................... 11
Grote bloedvaten......................................................................................................................................... 11
Topografie grote arteriën............................................................................................................................. 22
Aftakkingen van de aorta............................................................................................................................. 25
Topografie van de grote venen..................................................................................................................... 26
Anatomie van de wand van het hart............................................................................................................. 27
, Cel
De cel is de kleinste bouwsteen van het lichaam en tegelijk de kleinste functionele
stofwisselingseenheid van het lichaam
De cel bevat cytoplasma (protoplasma) en wordt omgeven door de celmembraan.
- Het cytoplasma bestaat uit een waterige substantie (cytosol) met daarin veel
opgeloste stoffen
- In het cytoplasma bevinden zich organellen: structuren met een specifieke bouw en
functie
De uiterst dunne celmembraan bestaat uit een dubbele laag fosfolipiden en is vloeibaar en
waterafstotend
Celmembraan
Belangrijke structuren in de celmembraan zijn:
- Cholesterolmoleculen
- Membraanporiën
- Receptoreiwitten
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