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Samenvatting Anatomie en Fysiologie: Hersenen en Zenuwstelsel $8.24   Add to cart

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Samenvatting Anatomie en Fysiologie: Hersenen en Zenuwstelsel

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Dit document is een overzichtelijke en beknopte samenvatting van anatomie en fysiologie (martini) hoofdstuk 8: zenuwstelsel. Deze samenvatting is goed te gebruiken voor de A/F/P toetsen, met afbeeldingen.

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  • Hoofdstuk 8
  • November 12, 2023
  • 3
  • 2022/2023
  • Summary
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Anatomie Hersenen
Arteriële bloedvoorziening hersenen Veneuze bloedafvoer hersenen
- Voor cerebrum (grote hersenen) vanuit cirkel van Willis:
o A. cerebri anterior rechts en links
o A. cerebri media rechts en links
o A. cerebri posterior rechts en links




- Vanuit arcus aortae
o Rechts
 A. brachiocephalica --> a. carotis communis en a.
subclavia met a. vertebralis
o Links
 A. carotis communis
 A. subclavia met a. vertebralis
o Rechter en linker a. carotis communis --> cirkel van Willis
o Rechter en linker a. vertebralis --> a. basilaris --> cirkel van
Willis
- Voor cerebellum
o Aftakking van a. vertebralis (PICA) en de a. basilaris (AICA en
SCA)
- A. carotis externa: voert bloed naar: schildklier, pharynx, tong,
aangezicht, hoofdhuid, groot dele v.d. hersenvliezen
- A. carotis interna:
o A. opthalmica: oogbol, retina (netvlies)
o A. cerebri anterior: frontale hersenkwab, paramediane
gedeelte hersenen (met het motorische en sensibele deel van het
been)
o A. cerebri media: temporale kwab, pariëtale kwab, frontale kwab
(met motorische en sensibele cortex.)
o A. cerebri posterior
- A. vertebralis: cerebellum, occipitale kwabben
Bloedvaten opbouw: wandstructuur arteriën en venen
- Tunica interna (intima): binnenste endotheel laag
- Tunicia media: laag van gladspierweefsel -->
vasoconstrictie/ vasodilatatie
- Tunica externa: buitenste bindweefsellaag

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