Dit is een samenvatting van het volledige onderdeel Fysiologie uit het vak zenuwen en zintuigen in 2e bachlor geneeskunde aan de Ugent. Het is een samenvatting van alle lessen van Prof. dr. Paemeleire en Prof. dr. Labro.
1. Neuronale oorsprong = gesynthetiseerd in presynaptisch neuron/ axon uiteinde --->
enzymen moeten er zijn ---> lokaliseren via immunocyto/histochemie
2. Presynaptisch accumuleren = via vesikels ---> exocytose in presynaptische spleet
3. NT exogeen toedienen = effect kunnen nabootsen = agonisten = basis neurofarmacologie
5. Clearance = signaal uitzetten = NT uit synaptische spleet halen ---> anders hersenen te
traag
− NT afbreken
− NT recycleren ---> terug opnemen 3
, Sommige NT + neuromodelatoren = niet voldoen aan criteria =
- Neuropeptiden = in cellichaam produceren = niet op uiteinde
- ATP = niet via vesikels vrijstellen
- Endocanabinoiden = postsynaptische synthese ---> retrograde NT
- NO = niet op receptor binden
Klassieke NT
Catecholamines
Synthese acetylcholine =
= voor CENTRAAL zenuwstelsel =
Systemen v hersenen + in ruggenmerg
4
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