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Samenvatting Overzicht 12 craniale zenuwen (neuroanatomie) $5.14   Add to cart

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Samenvatting Overzicht 12 craniale zenuwen (neuroanatomie)

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Hier worden de 12 craniale zenuwen overzichtelijk weergegeven; hun Latijnse nummer en naam + soort zenuw + functies

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  • March 25, 2021
  • 3
  • 2020/2021
  • Summary
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NEURO – craniale zenuwen overzicht
Getal Naam Uitleg
N. I Nervus olfactiorius = kortste craniale zenuw
(reukzenuw)  Sensorisch
 perceptie reuk
 vertrekt vanuit reukreceptoren in de neus
N. II Nervus opticus  Sensorisch
(gezichtszenuw)  visuele perceptie
 vertrekt vanuit fotoreceptoren vd retina (oog)
N. III Nervus  Motorisch
oculomotorius  beweging oogspieren
 parasympathisch
 pupilconstrictie en accommodatie van de lens

= bevat 2 kernen
1. nucleus nercu oculomotorii
 bezenuwt de dwarsgestreepte spieren van de ogen
2. nucleus accessorius nervi oculomotorii (= kern van Edinger- Westphal)
 controleert pupilspieren die leiden tot verwijden of vernauwen vd
pupil en accomoderen vd lens
N. IV Nervus trochlearis  motorisch
 bezenuwing van 1 oogspier: m. obliquus superior
= verantwoodelijk voor oogbalbewegingen (letsels geven aanleiding tot
verticale diplopie of dubbelzicht)
N. V Nervus trigeminus = grootste craniale zenuw
 sensorisch
 tactiele, proprioceptieve en nociceptieve (=pijn) gewaarwordingen
van het gezicht, het mond- en neusslijmvlies, het oog en de
conjuctiva)
 motorisch
 spieren vd kaak en mond

= splitst in 3 grote takken
1. n. ophtalmicus (V1)
= sensorische informatie van :
- huid bovenste deel aangezicht (tot oorlijn)
- huid bovenste oogleden
- huid voorste deel neus
- conjunctivae vd ogen
- mucosa van deel vd sinussen
- mucosa vh neustussenschot
2. n. maxillaris (V2)
= sensorische informatie van:
- huid neusvleugels
- huid wangen
- huid lippen
- mucosa van deel vd sinussen
- mucosa verhemelte
- bovenste tandenrij
3. n. mandibularis (V3)
= sensorische informatie van:
- huid over mandibula (onderkaak)

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