Cranial Nerves
Cranial Nerves
Cranial Nerves
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<strong>Cranial</strong> <strong>Nerves</strong><br />
IX glossopharyngeal<br />
n<br />
a<br />
X vagus n<br />
XI accessory n<br />
XII hypoglossal n<br />
Exit of cranium:<br />
Lamina cribrosa; I<br />
Optic canal; II<br />
Sup orbital fissure; III, IV, V1, VI<br />
Foramen rotundum; V2<br />
Foramen ovale; V3<br />
Internal acoustic meatus; VII, VIII<br />
Jugular foramen; IX, X, XI<br />
Hypoglossal canal; XII<br />
Figures from<br />
Grant,<br />
Sobotta and<br />
Carpenter<br />
I olfactory nn<br />
II optic n<br />
Mudulla oblongata<br />
V1 ophthalmic n<br />
IV trochlear n<br />
III oculomotor n<br />
V2 maxillary n<br />
greater<br />
petrosal n<br />
lesser<br />
petrosal n<br />
V trigeminal n<br />
VII facial n<br />
VIII vestibulocochlear<br />
n<br />
intermediate n<br />
VI abducens n<br />
XI accessory n<br />
Trigeminal ganglion<br />
V3 mandibular n<br />
b<br />
0-11
Oculomotor, trochlear, & abducens nn (III, IV, VI)<br />
c<br />
Supratrochlear n.<br />
Lacrimal n.<br />
Infratrochlear n.<br />
Nasociliary n.<br />
Infraorbital n.<br />
Buccal n.<br />
Mental n.<br />
Medial pterygoid n.<br />
Supraoptic n.<br />
Auriculotemporal n.<br />
Zygomaticotemplral n.<br />
Zygomaticofacial n.<br />
0-12<br />
Ramus communicans<br />
cum nervo oculomotorii<br />
<strong>Cranial</strong> autonomic ganglia<br />
ciliary ggl<br />
otic ggl<br />
pterygopalatine ggl<br />
submandibular ggl<br />
* V2 branches through pterygopalatine ggl<br />
1) Greater & lesser palatine nn. through<br />
greater and lesser palatine canals<br />
2) Nasopalatine n. through insicive canal<br />
3) post. sup. late. nasal br. of V2 thru<br />
sphenopalatine foramen to nasal cavity<br />
4) Pharyngeal br. of pterygopalatine n. thru<br />
pharyngeal canal (= palato-vaginal canal;<br />
s/o sensory)
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