midbrain

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Last updated 5:08 PM on 9/30/25
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5 Terms

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  • Midbrain (Mesencephalon)

  • Tegmentum- core region supporting motor & sensory pathways

  • Periaqueductal gray- pain perception & defensive responses (critical for survival)

  • Substantia nigra- produces dopamine; degeneration → Parkinson’s disease (difficulty initiating movement)

  • Red nucleus- coordinates limb movements 

2
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tegmentum

core region supporting motor & sensory pathways

3
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Periaqueductal gray

pain perception & defensive responses (critical for survival)

4
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Substantia nigra

produces dopamine; degeneration → Parkinson’s disease (difficulty initiating movement)

5
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Red nucleus

coordinates limb movements