A colorized transmission electron microscope image of an oligodendrocyte (blue) surrounded by cells that it coated in myelin (red outlines).
Brain Fluid from Youngsters Gives Old Mice a Memory Boost
A growth factor found in the cerebrospinal fluid of young mice triggered the proliferation of myelin-making cells when injected into the brains of older mice.
Brain Fluid from Youngsters Gives Old Mice a Memory Boost
Brain Fluid from Youngsters Gives Old Mice a Memory Boost

A growth factor found in the cerebrospinal fluid of young mice triggered the proliferation of myelin-making cells when injected into the brains of older mice.

A growth factor found in the cerebrospinal fluid of young mice triggered the proliferation of myelin-making cells when injected into the brains of older mice.

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Image of the Day: Hippocampal Jalapeno
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