Cranial Nerves and Openings in the Skull
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Transcript of Cranial Nerves and Openings in the Skull
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Cranial Nervesand
Openings in the Skull
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Cr. I Olfactory nerveCr. II Optic nerve
Cr. IV Trochlear nerve Cr. III Oculomotor nerve
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Cr. I Olfactory nerve
Cr. II Optic nerve
Cr. III Oculomotor nerve
Cr. IV Trochlear nerve
Brainstem seen from the front
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Cr. V Trigeminal nerve
Cr. VI Abducent nerve
Cr. VII Facial nerve
Cr. VIII Vestibulocochlear nerve
Brainstem seen from the front
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Cr. IX Glossopharyngeal n. (Jugular foramen)
Cr. X Vagus nerve (Jugular foramen)
Cr. XI Accessory nerve(Jugular foramen)
Cr. XII Hypoglossal nerve(Hypoglossal canal)
Brainstem seen from the front
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Cr. I Olfactory nerveCr. II Optic nerve
Cr. IV Trochlear nerve Cr. III Oculomotor nerve
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Cr. I Olfactory nerve
Cr. II Optic nerve
Cr. III Oculomotor nerve
Cr. IV Trochlear nerve
Cranial cavities seen from above
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Cr. I Olfactory nerve(Cribriform plate)
Cr. II Optic nerve(Optic canal)
Cr. III Oculomotor nerve(Superior orbital fissure)
Cr. IV Trochlear nerve(Superior orbital fissure)
Cranial cavities seen from above
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Cr. I Olfactory nerve(Cribriform plate)
Cr. II Optic nerve(Optic canal)
Cr. III Oculomotor nerve(Superior orbital fissure)
Cr. IV Trochlear nerve(Superior orbital fissure)
Cranial cavities seen from above
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Cr. V Trigeminal nerve
Cr. VI Abducent nerve
Cr. VII Facial nerve
Cr. VIII Vestibulocochlear nerve
Brainstem seen from the front
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Cr. VII Facial nerve
Cr. VIII Vestibularcochlear nerve
Cr. VI Abducent nerve
Cr. V Trigeminal nerve
Cranial cavities seen from above
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Cr. V Trigeminal nerve(Superior orbital fissure)
Cr. VI Abducent nerve(Superior orbital fissure)
Cr. VII Facial nerve(Internal acoustic meatus)
Cr. VIII Vestibularcochlear nerve(Internal acoustic meatus)
Cranial cavities seen from above
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Cr. V Trigeminal nerve(Superior orbital fissure)
Cr. VI Abducent nerve(Superior orbital fissure)
Cr. VII Facial nerve(Internal acoustic meatus)
Cr. VIII Vestibularcochlear nerve(Internal acoustic meatus)
Cranial cavities seen from above
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Ophthalmic nerve (V1)
Maxillary nerve (V2)
Mandibular nerve (V3)
3 divisions of Trigeminal nerve:
Cranial cavities seen from above
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Ophthalmic nerve (V1)(Superior orbital fissure)
Maxillary nerve (V2)(Foramen rotundum)
Mandibular nerve (V3)(Foramen ovale)
3 divisions of Trigeminal nerve:
Cranial cavities seen from above
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Ophthalmic nerve (V1)(Superior orbital fissure)
Maxillary nerve (V2)(Foramen rotundum)
Mandibular nerve (V3)(Foramen ovale)
3 divisions of Trigeminal nerve:
Cranial cavities seen from above
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Cr. IX Glossopharyngeal n. (Jugular foramen)
Cr. X Vagus nerve (Jugular foramen)
Cr. XI Accessory nerve(Jugular foramen)
Cr. XII Hypoglossal nerve(Hypoglossal canal)
Brainstem seen from the front
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Cr. IX Glossopharyngeal n.
Cr. X Vagus nerve
Cr. XI Accessory nerve
Cr. XII Hypoglossal nerve
Cranial cavities seen from above
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Cr. IX Glossopharyngeal n. (Jugular foramen)
Cr. X Vagus nerve (Jugular foramen)
Cr. XI Accessory nerve(Jugular foramen)
Cr. XII Hypoglossal nerve(Hypoglossal canal)
Cranial cavities seen from above
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Cr. IX Glossopharyngeal n. (Jugular foramen)
Cr. X Vagus nerve (Jugular foramen)
Cr. XI Accessory nerve(Jugular foramen)
Cr. XII Hypoglossal nerve(Hypoglossal canal)
Cranial cavities seen from above
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SELF-ASSESSMENTMultiple Choice Questions
True False
The superior orbital fissure transmits
A. Abducent nerve
B. Oculomotor nerve
C. Ophthalmic nerve
D. Optic nerve
E. Trochlear nerve
Click Here To Check Answer
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SELF-ASSESSMENTMultiple Choice Questions
True False
A. Abducent nerve
B. Oculomotor nerve
C. Ophthalmic nerve
D. Optic nerve
E. Trochlear nerve
The superior orbital fissure transmits
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SELF-ASSESSMENTMultiple Choice Questions
Nerves passing through the True Falsejugular foramen include
A. Vestibulocochlear nerve
B. Glossopharyngeal nerve
C. Vagus nerve
D. Accessory nerve
E. Hypoglossal nerve
Click Here To Check Answer
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SELF-ASSESSMENTMultiple Choice Questions
Nerves passing through the True Falsejugular foramen include
A. Vestibulocochlear nerve
B. Glossopharyngeal nerve
C. Vagus nerve
D. Accessory nerve
E. Hypoglossal nerve
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SELF-ASSESSMENTMultiple Choice Questions
Branches of the trigeminal nerve True Falsepass through
A. Optic foramen
B. Superior orbital fissure
C. Foramen rotundum
D. Foramen ovale
E. Foramen lacerum
Click Here To Check Answer
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SELF-ASSESSMENTMultiple Choice Questions
Branches of the trigeminal nerve True Falsepass through
A. Optic foramen
B. Superior orbital fissure
C. Foramen rotundum
D. Foramen ovale
E. Foramen lacerum
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