cranial nerves and openings in the skull

Cranial Nervesand

Openings in the Skull

Cr. I Olfactory nerveCr. II Optic nerve

Cr. IV Trochlear nerve Cr. III Oculomotor nerve

Cr. I Olfactory nerve

Cr. II Optic nerve

Cr. III Oculomotor nerve

Cr. IV Trochlear nerve

Brainstem seen from the front

Cr. V Trigeminal nerve

Cr. VI Abducent nerve

Cr. VII Facial nerve

Cr. VIII Vestibulocochlear nerve

Brainstem seen from the front

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

Cr. I Olfactory nerveCr. II Optic nerve

Cr. IV Trochlear nerve Cr. III Oculomotor nerve

Cr. I Olfactory nerve

Cr. II Optic nerve

Cr. III Oculomotor nerve

Cr. IV Trochlear nerve

Cranial cavities seen from above

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

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

Cr. V Trigeminal nerve

Cr. VI Abducent nerve

Cr. VII Facial nerve

Cr. VIII Vestibulocochlear nerve

Brainstem seen from the front

Cr. VII Facial nerve

Cr. VIII Vestibularcochlear nerve

Cr. VI Abducent nerve

Cr. V Trigeminal nerve

Cranial cavities seen from above

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

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

Ophthalmic nerve (V1)

Maxillary nerve (V2)

Mandibular nerve (V3)

3 divisions of Trigeminal nerve:

Cranial cavities seen from above

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

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

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

Cr. IX Glossopharyngeal n.

Cr. X Vagus nerve

Cr. XI Accessory nerve

Cr. XII Hypoglossal nerve

Cranial cavities seen from above

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

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

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

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

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

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

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

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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