Hersenzenuwen en schedelbasis zelf

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welke 3 hersenzenuwen ontspringen niet aan hersenstam?

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1

welke 3 hersenzenuwen ontspringen niet aan hersenstam?

I, cerebrum. telencephalon II, diencephalon XI, ruggenmerg

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2

I

olfactory reuk, smaak, hoog bovenin neus

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3

II

opticus info van netvlies naar brein

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4

III

oculomotoris aansturing internsiek, bovenooglid

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5

IV

trochlearis

extentriek

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6

V

trigeminal drielingzenuw

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7

VI

abducens extentrieke oogspier

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8

VII

facialis aangezichtmusculatuur (oog, neus, mond, oren, platte halsspier) loopt door grote klier parotis heen pijn, temperatuur, tast smaak voorste 2/3 tong

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9

VIII

vestibulocochlearis evenwicht en gehoor

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10

IX

glossopharyngeus tong-keel smaak achterste 1/3 tong + perceptie daar innerveert parotis middeniirL mucosa en buis van eustachius

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11

X

vagus schedel verlaten, spieren in keel parasympatische innervatie tot 2/3 col trans smaakzin strottenklip (tegen verslikken) pijn, temp, tast in oor

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12

XI

accessorius c1-c5 vezels horen hierbij stuurt sternocleidomastoi en trapezius aan loopt heel oppervlakkig

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13

XII

hypoglossus ondertongzenuw eigen kanaaltje exentrieke tongspieren (behalve platoglossus)

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14

waaruit bestaat de drielingzenuw (V)

V1. rhamus opthalmicus voorhoofd, boven oog, neusbrug V2. ramus maxillaris middel zijkant neus tot bovenlip V3. ramus mandibularis onderlip en kin langs oor naar boven

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15

welke 5 hersenzenuwen innerveren tong?

VII facialis: 2/3 voorkant tong smaak IX glossopharyngeus 1/3 achterkant tong smaak V trigeminus 2/3 sensibiliteit tong IX glosso 1/3 sensibilitiet tong tongmusculatuur XII hypoglossus (behalve palatoglossus door vagus)

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16

sympatische innervatie

afkomstig thoracale niveau, zenuwen van grensstreng. hieruit ook autonome vezels

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17

onderdelen brein

cerebrum, tussenhersenen/diencephalon, hersenstam, cerebellum

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18

hersenstam/truncus cerebri

mesencephalon/middenhersenen + pons + medulla oblongata/verlengde merg

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19

metencephalon

pons + cerebellum

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20

parasympatische hersenzenuwen

n. oculomotorius

  • n. facialis

  • n. glossopharyngeus

  • n. vagus

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21

vascularisatie brein

a. carotis interna en a. vertebralis

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