1. Neuroanatomy and Neuroimaging Dr Charles A J Romanowski Consultant Neuroradiologist

2. Brain stem - anterior view
Crus cerebri
Midbrain
Midbrain
Pons
Pons
Middle cerebellar peduncle
Oliviary body
Medulla
Medulla
Pyramid
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3. Brain stem - posterior view
Thalamus T
Superior colliculus
Midbrain
Inferior colliculus
Superior cerebellar peduncle
Pons
Middle cerebellar peduncle
Medulla
Inferior cerebellar peduncle
Floor of the fourth ventricle
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4. Cranial nerves – brainstem
Lateral ventricle
Corpus callosum
Third ventricle
Septum pellucidum
Pyramid
Pons
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5. I – Olfactory nerve Olfactory bulb
NOTE: the olfactory nerve is made up of multiple fibres arising from receptor cells in the nasal mucosa which pierce the cribiform plate of the ethmoid bone. These fibres pass to the olfactory bulb, where they synapse with neurons of the olfactory tract.
CAJ Romanowski

6. I – Olfactory nerve
Olfactory bulb
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7. Mid sagittal View – optic chiasm
Corpus callosum genu
Fornix
Corpus callosum splenium
Optic chiasm
Mamilliary body
Mesencephalon
Cerebral aqueduct
Pituitary
Pons
Medulla
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8. Sagittal - brainstem Corpus callosum Thalamus Anterior commisure
Pineal gland
Optic chiasm
Posterior commisure
Mamilliary body
Superior colliculus
Anterior pituitary
Inferior colliculus
Posterior pituitary
Cerebral aqueduct
Pons
Mesencephalon
Medulla
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9. Optic pathway – curved reconstruction
Optic tract
Optic chiasm
Lateral geniculate body
Optic nerve
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10. Optic nerve
Optic nerve
Optic chiasm
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11. Optic tract
Optic tract
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12. Optic chiasm Lateral ventricle Corpus callosum Caudate nucleus
Internal capsule
Septum pellucidum
Putamen
Globus pallidus
Optic chiasm
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13. Axial section - upper midbrain
Cerebral aqueduct
Superior colliculus
Periaqueductal grey
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14. II – Optic nerve & pathways
Caudate nucleus
Septum pellucidum
Fornix
Insula
Putamen
Globus pallidus
Thalamus
Optic radiation
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15. III – Oculomotor nerve
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16. Posterior cerebral artery Superior cerebellar artery
III – Oculomotor nerve
Posterior cerebral artery
Oculomotor nerve
Superior cerebellar artery
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17. V – Trigeminal nerve
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18. V – Trigeminal nerve
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19. V – Trigeminal nerve
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20. VI – Abducens nerve
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21. Cavernous sinus Lateral ventricle Corpus callosum Caudate nucleus
Septum pellucidum
Anterior limb of internal capsule
Oculomotor nerve
Opthalmic division of trigeminal nerve
Putamen
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22. VII & VIII– Facial & vestibulocochlear nerves
Facial nerve
Vestibulocochlear nerve
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23. VII & VIII– Facial & vestibulocochlear nerves
Facial nerve
Vestibular nerve
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24. VII & VIII– Facial & vestibulocochlear nerves
Vestibular nerve
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25. VII & VIII– Facial & vestibulocochlear nerves
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26. IX – Glossopharyngeal nerve
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27. XII - Hypoglossal nerve
Glossopharyngeal nerve
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28. XII - Hypoglossal canal
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