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Samenvatting - craniale zenuwen - ontleedkunde

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Dit bestand omvat alles te weten over de craniale zenuwen gegeven door prof. Teughels, ik behaalde 17/20 op het examen.

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CRANIALE ZENUWEN
N. Olfactorius S Uit Olfactorische cortex Reukgewaarwording
I Tractus olfactorius -> bulbus olfactorius


Boven os etmoidale
Beide zijde crista galli
Doorheen lamina cribrosa in bundels:
- Cavum nasi
- Concha nasalis superior


N. Opticus S Vanuit chiasma opticum Boven Sella tursica Vangt informatie op uit retina
II - Vezels die med deel retina bez kruisen


- Vezels die lat deel retina bez kruisen niet
Lateraal en ventraal: In canalis opticus
Doorheen ring van zin
➔ Dorsale pool oogbol
N. Oculomotorius M Vertrekt lateraal vd proc clinoideus -> Mot:
III P Door dura mater -> - M rectus superior
In laterale wand sinus cavernosus -> - M levator palpebrae superior
Fissura orbitalis superior -> - M rectus inferior
Door ring van zin - M rectus medialis
2 takken: - M obliquus inferior
- Craniaal: m rectus superior en m levator ➔ Oogspieren
palpebrae superior Parasympatisch:
- Caudaal: m rectus inferior, m rectus - M sfincter pupillae
medialis en m obliquus inferior - M cilliare
➔ Ganglion cilliare (dorsale pool oogbol)
Parasympatische bezenuwing:
M sfincter pupillae en m cilliare ➔ Oogbeweging, pupil constrictie en
ooglidspieren


IV N. Trochlearis M Vertrekt dorsaal van de hersenstam ->
Kruist hersenstam ->
Bezenuwing: m. Obliquus superior
➔ Oogbeweging
Langs proc clinoideus posterior en door fissura orbitalis
-> Superior
Door dura mater ->
In laterale wand sinus cavernosus ->
Lateraal van de ring van Zinn (niet erdoor) ->
Loopt over m. Levator palpebrae

N. Trigeminus M 3 takken: Motorische bezenuwing
V S 1. N. Opthalmicus (s) ➔ Kauwspieren
2. N. Maxillaris (s)
3. N. Mandibularis (s/m) Sensibele bezenuwing
Vertrekt vanuit pons -> ➔ Aangezicht, neus, mond , cornea
Ventraal
Door dura mater -> Voor detail zie linkse kader
In laterale wand sinus cavernosus
Verdikking
➔ Ganglion van Gasser (synaps van de drie
takken)

V1) N. Opthalmicus
Naar orbita via fissura orbitalis superior
Opsplitsing:
A) N. Frontalis
Buiten ring van zinn
Tegen orbitadak
- N. Supratrochlearis: huid bovenste ooglid
en lat deel neus
- N. Supraorbitalis: huid vh voorhoofd
Doorheen incisura supraorbitalis

B) N. Lacrimalis
Buiten ring van zinn
Laterale wand orbita
Bezenuwing: traanklier (glandula lacrimalis) en
conjuctiva van de oogleden

C) N. Nasociliaris
Doorheen ring van Zinn
Mediale wand orbita
Aftakkingen :
- N. Etmoidalis anterior -> foramen
etmoidale anterior: slijmvlies voorste
neusholte

- N. Etmoidalis posterior -> foramen
etmoidale posterior: etmoidale en
spenoidale sinussen
➔ Verder als n. Infratrochlearis -> voorrand
orbita:
Neusrug en mediaal deel bovenste ooglid

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February 25, 2025
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