Discussion
Who among the following invented a staining technique known as the 'black reaction' to study neurons, in which he/they used a weak solution of silver nitrate that is particularly valuable in detecting the processes and the most delicate effects of cells?
Answer: B
Camillo Golgi invented the staining technique called the black reaction, in 1873, using a weak solution of silver nitrate that stains a few nerve cells fully, showing their processes and fine details. He shared the Nobel Prize of 1906 with Ramon y Cajal for work on the structure of the nervous system.
Singer and Nicolson proposed the fluid mosaic model of the cell membrane, Albert von Kolliker was an anatomist who studied the nervous tissue, and Waldeyer gave the name neuron. None of them invented this stain.
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