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    Illustration of synapse structure in cross section. — Stock Photo
    Illustration of synapse structure in cross section.
    Illustration of human nervous receptors on black background. — Stock Photo
    Illustration of human nervous receptors on black background.
    Network mesh with connected lines, digital abstract illustration. — Stock Photo
    Network mesh with connected lines, digital abstract illustration.
    Illustration of synapse structure in cross section. — Stock Photo
    Illustration of synapse structure in cross section.
    Illustration of human nervous receptors on black background. — Stock Photo
    Illustration of human nervous receptors on black background.
    Colored illustration of nerve cell on black background. — Stock Photo
    Colored illustration of nerve cell on black background.
    Illustration of synapse structure in cross section. — Stock Photo
    Illustration of synapse structure in cross section.
    Pathological phosphorylation of red-orange Tau proteins by blue-purple kinases affecting nerve cells in Alzheimers disease, illustration. — Stock Photo
    Pathological phosphorylation of red-orange Tau proteins by blue-purple kinases affecting nerve cells in Alzheimers disease, illustration.
    Pathological phosphorylation of red-orange Tau proteins by blue-purple kinases affecting nerve cells in Alzheimers disease, illustration. — Stock Photo
    Pathological phosphorylation of red-orange Tau proteins by blue-purple kinases affecting nerve cells in Alzheimers disease, illustration.
    Pathological phosphorylation of red-orange Tau proteins by blue-purple kinases affecting nerve cells in Alzheimers disease, illustration. — Stock Photo
    Pathological phosphorylation of red-orange Tau proteins by blue-purple kinases affecting nerve cells in Alzheimers disease, illustration.
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Computer illustration of amyloid plaques (yellow) amongst neurons. — Stock Photo
    Computer illustration of amyloid plaques (yellow) amongst neurons.
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Section through the cerebellum in the brain — Stock Photo
    Section through the cerebellum in the brain
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Human sciatic nerve — Stock Photo
    Human sciatic nerve
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Longitudinal section of a human sciatic l nerve — Stock Photo
    Longitudinal section of a human sciatic l nerve
    Longitudinal section of a human sciatic l nerve — Stock Photo
    Longitudinal section of a human sciatic l nerve
    Longitudinal section of a human sciatic l nerve — Stock Photo
    Longitudinal section of a human sciatic l nerve
    Grey matter of the cerebellum — Stock Photo
    Grey matter of the cerebellum
    Nerve cells and intercellular junctions — Stock Photo
    Nerve cells and intercellular junctions
    Amyloid plaques amongst neurons — Stock Photo
    Amyloid plaques amongst neurons
    Amyloid plaques amongst neurons — Stock Photo
    Amyloid plaques amongst neurons