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Functional organizationof cranial nerves
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mezencefalon
pons
medula oblongata
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GSA
GVAGVE
GSE
GSA – somatic sensationGVA – visceral sensationGSE - somatomotorGVE – viscermotor - AUTONOMIC (visceromotor, vasomotor, secretomotor)
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GSA
GVAGVE
GSE
SPECIAL SENSE:Visceral – SVASomatic – SSA
BRAHIO-MOTORMOTOR !!! – but - SVE
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Oculomotor nerves:n. occulomotorius – III
n. trochlearis – IVn. abducens - VI
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N. oculomotorius [III] Jezgre (vrsta) • nucl. n. III, parna glavna i neparna sporedna jezgra (OSE)
• nucl. oculomotorius accessorius (OVE) → ggl. ciliare Izlazište iz mozga unutarnja strana moždanih pedunkula, pedunculus cerebri Položaj u subarahnoidalnom prostoru
cisterna basalis, cisterna interpeduncularis
Ulazak u duru mater krov kavernoznog sinusa Prolazak kroz bazu lubanje fissura orbitalis superior Opskrbno područje • motorno:
m. levator palpebrae sup., mm. recti sup., med. et inf.; m. obliqus inf. • parasimpatički: - m. cilliaris, m. sphincter pupillae
Dodatna vlakna (sekundarno pristupaju na živac)
• senzibilne niti n. nasocilijarisa (V/1) • simpatičke niti iz spleta oftalmičke arterije, plexus ophtalmicusa
N. trochlearis [IV] Jezgre (vrsta) • nucl. n. IV (OSA) Izlazište iz mozga u donjoj razini donjih kolikula Položaj u subarahnoidalnom prostoru
cisterna ambiens, cisterna basalis
Ulazak u duru mater između prednjeg i stražnjeg petroklinoidnog nastavka, plicae petroclinoideae
Tijek u duri mater lateralni zid kavernoznog sinusa Prolazak kroz bazu lubanje fissura orbitalis superior Opskrbno područje • motorno:
- m. obliqus superior N. abducens [VI] Jezgre (vrsta) • nucl. N. VI (OSE) Izlazište iz mozga između ponsa i piramide Položaj u subarahnoidalnom prostoru
cisterna basalis
Ulazak u duru mater gornja trećina klivusa Tijek u duri mater preko vrha piramide, apex pars petrosis ossis temporalis, slobodno kroz
kavernozni sinus, lateralno od unutarnje karotidne arterije Prolazak kroz bazu lubanje fissura orbitalis superior Opskrbno područje • motorički:
-m. rectus lateralis
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Hypoglossal nerve XII
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Composition of hypoglossalnerve XIIMotor – supplies intrinsic and majority of extrinsic muscles of the tongue
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Accessory nerve XI
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Composition of accessory nerve XI
Motor – supplies sternomastoid muscle (rotates head)supplies trapezius muscle (elevates shoulders)
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Trigeminal nerve V
Composition of trigeminal nerve
Sensibile – majority of skin, oral and nasal cavitiyn. V3 – n. mandibularis – in addition motor - innervation of masticatorymuscles
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Facial Nerve VII
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N. facialis [VII] Jezgre (vrsta) • nucl. n. VII (PVE)
• nucl. salivatorius superior (OVE) • nucl. solitarius (PVA)
Izlazište iz mozga pontocerebelarni kut Položaj u subarahnoidalnom prostoru
cisterna basalis, cisterna pontis
Izlazište iz dure mater i ulazište u bazu lubanje
fundus meatus acustici interni
Tijek unutar baze lubanje canalis nervi facialis Izlazak iz baze lubanje foramen stylomastoideum Opskrbno područje • motorički:
- mimični mišići, mm. auriculares - m. digastricus (venter posterior), m. stylohyoideus - m. stapedius • senzorički (okusno): -prednje dvije trećine jezika • parasimpatički: glandula lacrimalis, glandulae nasales, palatinae (preko ggl. pterygopalatinum), glandulae submandibularis et sublingualis (preko ggl. submandibulare)
Dodatna vlakna (sekundarno pristupaju na živac)
• senzibilni ogranci n. trigeminusa pristupaju na parotidni splet n. facijalisa, plexus parotideus
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Vestibulocochlear Nerve VIII
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Glossopharyngeal Nerve IX
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Vagus Nerve X
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