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Periaqueductal gray

Periaqueductal gray

Nucleus surrounding the cerebral aqueduct.

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  1. Enkephalin

    Pentapeptide.

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  2. Midbrain

    Forward-most portion of the brainstem.

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    Conduit for CSF to the brain.

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    Structure in the midbrain.

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    Moderate-size cluster of nuclei found in brain stem.

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  8. Grey matter

    Areas of neuronal cell bodies in the brain.

    3.3%

  9. Ventral tegmental area

    Group of neurons on the floor of the midbrain.

    3.3%

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