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skull foramina > Skull foramina > Flashcards

Skull foramina Flashcards

1
Q

Foramen in ant. cranial fossa

A

Foramen cecum

Olfactory foramen in cribriform plate (ethmoid)

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2
Q

Middle cranial fossa

A 
Optic canal 
Superior orbital fissure
Foramen rotundum
Foramen ovale
Foramen spinosum
Hiatus for greater petrosal nerve 
Hiatus for lesser petrosal nerve
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3
Q

Posterior cranial nerve fossa

A

Foramen magnum (occipital bone
Internal acoustic meatus (petrous part of temporal bone)
Jugular foramen (ant. petrous part of temporal bone/post. occipital bone)
Hypoglossal canal
Condylar canal

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4
Q

Foramen cecum

A

Emissary veins to the nasal cavity

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5
Q

Olfactory foramen in cribriform plate

A

Olfactory nerves (CN1)

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6
Q

Optic canal

A 
Optic nerve (CN2) 
Ophthalmic artery
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7
Q

Superior orbital fissure

A 
Oculomotor nerve (CN3)
Trochlear nerve (CN4)
Ophthalmic division of the trigeminal nerve (CN1)
Abducent nerve (CN6)
Ophthalmic veins
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8
Q

Foramen rotundum

A

Maxillary division of the trigeminal nerve (CN2)

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9
Q

Foramen ovale

A

Mandibular division of the trigemnial nerve (CN3)

Lesser petrosal nerve

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10
Q

Foramen spinosum

A

Middle meningeal artery

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11
Q

Hiatus for the greater petrosal nerve

A

Greater petrosal nerve

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12
Q

Hiatus for lesser petrosal nerve

A

Lesser petrosal nerve

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13
Q

Foramen magnum

A

End of brainstem/beginning of spinal cord
Vertebral arteries
Spinal roots of accessory nerve
Meninges

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14
Q

Internal acoustic meatus

A 
Facial nerve (CN7)
Vestibulocochlear nerve (CN8)
Labyrinthine artery
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15
Q

Jugular foramen

A 
Glossopharyngeal nerve ((CN9)
Vagus nerve (CN10)
Accessory nerve (CN11)
Inferior petrosal sinus
Sigmoid sinus (forming internal jugular vein)
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16
Q

Hypoglossal canal

A 
Hypoglossal nerve (CN12)
Meningeal branch of ascending pharyngeal artery
17
Q

Condylar canal

A

Emissary vein

skull foramina (1 decks)

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