Neuroanatomy

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Neuroanatomy
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• E. Brainstem

The brainstem will be a very important structure
for our purposes. Both cortical and deep
cerebral nuclei discussed in previous slides all
send axons through the brainstem. In addition,
the cranial nerve nuclei reside in the brainstem,
as we shall see.
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A view of the brainstem and associated structures
discussed in previous slides, with the cortex and
other deep structures removed.
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Anterior view
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• E. Brainstem
• 1. Midbrain

The midbrain is considered to be the deep
structures superior to the pons.
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Nuclei for cranial nerves III and IV are situated
in the midbrain, as are the red nucleus and the
substantia nigra (which well learn in the
context of Parkinsons disease).
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• E. Brainstem
• 1. Midbrain
• 2. Pons

The pons also contains important motor speech
nuclei, including those of cranial nerves V, VI
and VII.
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Pons