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Researched1873 · Industrial Age (1700 – 1900)

Life / Neuroscience & Psychology

Golgi's silver stain

Camillo Golgi's 'black reaction' stained a few whole nerve cells completely, making their branching shapes visible for the first time.

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Silver chromate coloured random neurons black against a clear background, and Cajal used the method from 1888 to draw the brain's circuits. Golgi and Cajal shared the 1906 Nobel Prize.

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