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29 Cards in this Set

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What is CN I?
The Olfactory Nerve.
What is CN II?
The Optic Nerve.
What is CN III?
The Oculomotor Nerve
What is CN IV?
The Trochlear Nerve.
What is CN V?
The Trigeminal Nerve.
What is CN VI?
The Abducens Nerve.
What is CN VII?
The Facial Nerve
What is CN VIII
The Vestibulocochlear Nerve
What is CN IX?
The Glossopharyngeal Nerve
What is CN X?
The Vagus Nerve.
What is CN XI?
The Spinal Accessory Nerve
What is CN XII?
The Hypoglossal Nerve.
What is the foramen indicated by the red arrow? What nerve does it carry?
The Mental Foramen.
It carries the V3 branch of Cranial Nerve V (the Mental Nerve).
What are the foramen indicated by the white arrows?

What do they carry?
The Supraorbital Foramen, or notches.
Carry the V1 branch of CN V, the Supraorbital Nerve (and the associated vessels).
What are the foramen indicated by the white arrows?

What do they carry?
Infra-Orbital Foramen.

Carry the Infra-Orbital Nerve and vessels (V2 branch of CN V)
What are the foramen indicated by the red arrows?

What do they carry?
The Mental Foramen.

Carry the Mental Nerve and vessels (V3 of CN V)
What is the big hole indicated by the red arrow called?

What goes through that foramen?
The Foramen Magnum

The spinal cord, vertebral arteries and CN XI
CN XI is the Accessory Nerve.
What is the hole indicated by the red arrow called?

What goes through it?
The Jugular Foramen.

The Internal Jugular Vein and CN IX, X, and XI.
What is the hole indicated by the red arrow?

What travels through it?
The Foramen Ovale

Mandibular Nerve (CN V3) and lesser petrosal nerve of CN IX
What is the name of the bone indicated by the red arrow? What is this "plate?"
The Cribriform Plate of the Ethmoid Bone.
What are the little holes located on the plate indicated by the red arrow?
Those are the Olfactory Foramina in the Cribriform Plate, for Olfactory Nerves (CN I).
What foramen is located at the point indicated by the red arrow?

What does it contain?
The Optic Canal.

It contains the Optic Nerve (CN II) and the Ophthalmic Artery (a branch of the Internal Carotid that supplies blood to all the structures in the orbit).
What structure is indicated by the red arrow?

What passes through it?
The Superior Orbital Fissure.

CNs III, IV, VI and branches of the ophthalmic division (V1) of CN V.
What structure is indicated by the red arrow?

What passes through it?
The Foramen Rotundum

The Maxillary Nerve (CN V2)
What structure is indicated by the red arrow?

What passes through it?
The Foramen Ovale

Mandibular Nerve (CN V3) and lesser petrosal nerve of CN IX.
(The source of pre-ganglionic parasympathetics that synapse within the otic ganglion, post ganglionics are carried by the auriculotemporal nerve, part of CNV3, to the parotid gland) -TMI
What foramen is indicated by the red arrow?

What passes through it?
The Internal Acoustic Meatus.

CN VII and VIII
What foramen is indicated by the red arrow?

What passes through it?
Jugular Foramen

CN IX, X and XI, and Internal Jugular Vein
What foramen is indicated by the red arrow?

What passes through it?
The Foramen Magnum

The Spinal Cord, Vertebral Arteries, and Spinal Accessory Nerve (CN XI)
What foramen is indicated by the red arrow?

What passes through it?
Hypoglossal Canal

CN XII