Skull foramina Flashcards

1
Q

Cribriform plate

A

Olfactory nerve (CN I)

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2
Q

Optic canal

A
Optic nerve (CN II)
Ophthalmic artery
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3
Q

Superior orbital fissure

A

CN III Oculomotor
CN IV Trochlear
CN Va Ophthalmic division of trigeminal
CN VI Abducens

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4
Q

Foramen rotundum

A

CN Vb Maxillary division of trigeminal

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5
Q

Foramen ovale

A

CN Vc Mandibular division of trigeminal

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6
Q

Carotid canal

A

ICA

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7
Q

Foramen lacerum

A

Filled with cartilage in life

ICA passes over this

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8
Q

Foramen spinosum

A

Middle meningeal artery

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9
Q

Internal acoustic meatus

A

CN VII Facial nerve

CN VIII Vestibulocochlear nerve

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10
Q

Jugular foramen

A

CN IX Glossopharyngeal nerve
CN X Vagus nerve
CN XI Accessory nerve
Internal jugular vein

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11
Q

Hypoglossal canal

A

XII Hypoglossal nerve

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12
Q

Foramen magnum

A

Spinal cord
Verterbral arteries
CN XI Accessory nerve

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