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Anatomy 203 > Foramina and Canals of Cranial Base > Flashcards

Foramina and Canals of Cranial Base Flashcards

1
Q

What passes through the Incisive Fossa?

A

Nasopalatine nerve
Anastomosis of posterior septal branches of sphenopalatine artery and greater palatine artery

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2
Q

What passes through Greater Palatine Foramen?

A

Greater Palatine nerve and vessels

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3
Q

What passes through the lesser palatine foramen?

A

Lesser palatine nerve and vessels

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4
Q

What passes through the foramen Lacerum?

A

Greater Petrosal nerve(passes over foramen)

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5
Q

What passes through the foramen Ovale?

A

Lesser Petrosal Nerve
Mandibular Nerve
Accessory Meningeal Artery

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6
Q

What passes through the foramen spinosum?

A

Middle meningeal vessels
Meningeal branches of mandibular nerve(CN V3)

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7
Q

What passes through the carotid canal?

A

Internal Carotid Artery
Internal Carotid Plexus

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8
Q

What passes through the petrotympanic fissure?

A

Chorda tympani of intermediate nerve(CN VII)

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9
Q

What passes through the inferior tympanic canaliculus?

A

Tympanic branch of glossopharyngeal Nerve(CN IX)

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10
Q

What passes through the mastoid canaliculus?

A

Auricular branch of vague nerve(CN X)

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11
Q

What passes through the stylomastoid foramen?

A

Facial Nerve(CN VII)

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12
Q

What passes through the Jugular Fossa?

A

Glossopharyngeal Nerve
Vagus Nerve
Accessory Nerve
Superior bulb and internal jugular vein

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13
Q

What passes through the mastoid foramen?

A

Mastoid emissary vein
Posterior meningeal artery

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14
Q

What passes through the hypoglossal canal?

A

Hypoglossal Nerve

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15
Q

What passes through the foramen Magnum?

A

Medulla Oblongata
Vertebral arteries and venous plexus
Spinal roots of accessory nerves

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16
Q

What passes through Foramen caecum?

A

Emissary vein to superior sagittal sinus

17
Q

What passes through the nasal slut and anterior ethmoidal foramen?

A

Anterior ethmoidal artery, vein, and nerve

18
Q

What passes through the foramina of cribriform plate?

A

Olfactory nerves(CN I)

19
Q

What passes through the posterior ethmoidal foramen?

A

Posterior ethmoidal artery,vein and nerve

20
Q

What passes through the optic canal?

A

Optic nerve(CN II), Ophthalmic artery

21
Q

What passes through the superior orbital fissure?

A

Occulomotor Nerve (CN III)
Trochlear Nerve(CN IV)
Lacrimal, frontal and nasociliary branches of ophthalmic nerve(CN V1)
Abducens Nerve(CN VI)
Superior ophthalmic vein

22
Q

What passes through Foramen Rotundum?

A

Maxillary Nerve(CN V2)

23
Q

What passes through Foramen Ovale?

A

Mandibular nerve(CN V3)
Accessory meningeal artery
Lesser Petrosal Nerve

24
Q

What passes through Foramen Spinosum?

A

Middle meningeal artery and vein
Meningeal branch of mandibular nerve

25
Q

What passes through Foramen Lacerum?

A

Greater Petrosal Nerve(passes over Foramen)
Meningeal branches of ascending pharyngeal artery(from external Carotid artery)

26
Q

What passes through Carotid canal?

A

Internal carotid artery
Internal carotid nerve plexus

27
Q

There are two hiatus on the petrous part of temporal bone for?

A

Lesser Petrosal Nerve
Greater Petrosal Nerve

28
Q

What passes through the Internal Acoustic Meatus?

A

Facial Nerve(CN VII)
Vestibulocochlear Nerve (CN VIII)
Labyrinthine artery

29
Q

What passes through the opening of vestibular aqueduct?

A

Endolymphatic duct

30
Q

What passes through the mastoid foramen?

A

Emissary vein(and occasional branch of occipital artery)

31
Q

What passes through the Jugular Foramen?

A

Inferior Petrosal Sinus
Glossopharyngeal nerve(CN IX)
Vagus Nerve(CN X)
Accessory Nerve(CN XI)
Sigmoid Sinus
Posterior meningeal artery (terminal branch of ascending pharyngeal artery)

32
Q

What passes through the condylar canal?

A

Emissary vein and meningeal branch of ascending pharyngeal artery

33
Q

What passes through Foramen Magnum?

A

Medulla Oblongata
Meninges
Vertebral arteries and venous plexus
Meningeal branches of vertebral arteries
Spinal roots of accessory nerves

Anatomy 203 (11 decks)

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