- Neuroglia ondersteunen en beschermen
- Reacties op beschadiging
Neuronen synaps:
- Verspreiding
- Neurotransmitters en neuromodulators
- Mechanismen van type neurotransmitter functie
- Versterking
- Presynaptische inhibitie en stimulering
Neuroglia ondersteunt en beschermt neuronen
Neurale reacties op beschadiging reageert in zeer beperkte mate
- Nissl-lichamen worden uit elkaar gedreven
- Nucleus beweegt weg van de centrale locatie als de cel de snelheid van de eiwitsynthese
verhoogt
Czs:
- Beperkte regeneratie :
Astrocyten produceert littekenweefsel -> voorkomt axongroei over het
beschadigde gebied
Astrocyten geeft chemicaliën vrij -> blokkeert de hergroei van axonen
PZS:
- Schwann cellen wallerian degeneratie
,Mechanismen van type neurotransmitter functie
a. direct effect op membraan potentiaal
b. indirect effect op membraan potentiaal
,c. vet-oplosbare gassen die hun effecten uitoefenen in de cel
, NEURO-FYS-2 fysiologie van de spinale zenuwen en reflexen
Perifere verspreiding van spinale zenuwen
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