Summary
Samenvatting Neurologie plexus cervicales
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Dit is een aansluitend document aan de samenvatting van Neurologie.
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Samenvatting NEUROLOGIE: spinale zenuwen: plexus cervicalisInleiding:
- Fysiologisch
o Somatisch = onderhevig aan wil
o Autonoom = NIET onderhevig aan wil
§ Orthosympatisch: fight en flight, arousel
§ Parasympatisch: geassocieerd met rust
- Anatomisch
o Somatisch:
§ 12 craniale zenuwen: hoofd en hals
§ Spinale zenuwen vanuit ruggenmerg: rest van het lichaam
o Autonoom
§ Orthosympatisch
• Truncus sympaticus die communiceert met ruggenmerg via rami
communicandes en spinale zenuwen
§ Parasympatisch
• Via zenuwevezels die vb. craniale zenuen vervoegen en eindigen in
verschillende ganglia. Deze geven op hun beurt parsympatische
zenuwvezels naar verschillende structuren af.
31 paar spinale zenuwen
8 cervicale - Motorisch en sensibel
12 thoracale - Zorgen voor somatische
5 lumbale bezenuwing en via de
5 sacrale truncus sympaticus voor
1 coccygeale orthosympatische
bezenuwing
Spinale zenuwen: somatische bezenuwing
Het ruggenmerg is gelegen tussen het
corpus en de arcus van de vertebrae.
Naar ventraal en dorsaal ontspringen
fila radicularia:
- Radix ventralis: motorische
bezenuwing
- Radix dorsalis met spinaal
ganglion: sensorische
bezenuwing
Lateraal versmelten beide radices tot de
n. spinales, dit zijn gemengde zenuwen
die het canalis vertebralis verlaten via
de tussenwervelruimte. Daarna splits
het op in de:
1
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