Cranial Foramina: Difference between revisions

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<ul>
<ul>
<li>Olfactory nerve&nbsp;<em>(CN I)</em></li>
<li>[[Olfactory Nerve|Olfactory nerve]]&nbsp;<em>(CN I)</em></li>
<li>Anterior ethmoidal nerves</li>
<li>Anterior ethmoidal nerves</li>
</ul>
</ul>
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<li>Superior ophthalmic vein</li>
<li>Superior ophthalmic vein</li>
<li>Trochlear nerve <em>(CN IV)</em></li>
<li>Trochlear nerve <em>(CN IV)</em></li>
<li>Superior division of the oculomotor nerve <em>(CN III)</em></li>
<li>Superior division of the [[Oculomotor Nerve|oculomotor nerve]] <em>(CN III)</em></li>
<li>Nasociliary nerve- branch of ophthalmic nerve <em>(CN V<sub>1</sub>) </em></li>
<li>Nasociliary nerve- branch of ophthalmic nerve <em>(CN V<sub>1</sub>) </em></li>
<li>Inferior division of the oculomotor nerve <em>(CN III)</em></li>
<li>Inferior division of the oculomotor nerve <em>(CN III)</em></li>
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</tr>
</tr>
<tr>
<tr>
<td width="123"><strong>Internal acoustic meatus</strong></td>
<td width="123"><strong>[[Internal acoustic meatus]]</strong></td>
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<td width="284">
<ul>
<ul>
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</tr>
</tr>
<tr>
<tr>
<td width="123"><strong>Hypoglossal canal</strong></td>
<td width="123"><strong>[[Hypoglossal canal]]</strong></td>
<td width="284">
<td width="284">
<ul>
<ul>
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<td width="100">Occipital bone</td>
<td width="100">Occipital bone</td>
</tr></table>
</tr></table>
[[Category:Neuroanatomy]]
[[Category:Neuroanatomy]]
[[Category:Skull Base]]
[[Category:Skull Base]]

Latest revision as of 22:00, 3 March 2024

Foramen Structures Conducted Cranial Fossa Cranial Bone
Cribriform foramina in cribriform plate Anterior cranial fossa Ethmoid bone
Optic canal
  • Optic nerve (CN II)
  • Ophthalmic artery
 Middle cranial fossa Sphenoid bone
Superior orbital fissure
  • Lacrimal nerve
  • Frontal nerve- branch of ophthalmic nerve of trigeminal nerve (CN V)
  • Superior ophthalmic vein
  • Trochlear nerve (CN IV)
  • Superior division of the oculomotor nerve (CN III)
  • Nasociliary nerve- branch of ophthalmic nerve (CN V1)
  • Inferior division of the oculomotor nerve (CN III)
  • Abducens nerve (CN VI)
  • A branch of the Inferior ophthalmic vein
 Middle cranial fossa Sphenoid bone
Foramen rotundum
  •  Maxillary branch of trigeminal nerve (CN V)
 Middle cranial fossa Sphenoid bone
Foramen ovale
  • Mandibular branch of trigeminal nerve (CN V)
 Middle cranial fossa Sphenoid bone
Foramen spinosum
  • Middle meningeal artery
  • Middle meningeal vein
  • Meningeal branch of CN V3
 Middle cranial fossa Sphenoid bone
Internal acoustic meatus
  • Facial nerve (CN VII)
  • Vestibulocochlear nerve (CN VIII)
  • Vestibular ganglion
  • Labyrinthine artery
 Middle cranial fossa Petrous part of temporal bone
Jugular foramen
  • Glossopharyngeal nerve (CN IX)
  • Vagus nerve (CN X)
  • Accessory nerve (CN XI)
  • Jugular bulb
  • Inferior petrosal and sigmoid sinuses
 Posterior cranial fossa Anterior aspect: Petrous portion of the temporal

Posterior aspect: Occipital bone
Hypoglossal canal
  • Hypoglossal nerve (CN XII)
 Posterior cranial fossa Occipital bone
Foramen magnum
  • Vertebral arteries
  • Medulla and meninges
  • CN XI (spinal division)
  • Dural veins
  • Anterior and posterior spinal arteries
 Posterior cranial fossa Occipital bone
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