Neuron theory

Neuron theory posits that the nervous system is built out of separate cells called neurons, which remain distinct from each other nearly touching one another. Golgi and Ramón y Cajal used staining techniques that worked out the cellular structure of the brain and spinal cord in detail, firmly establishing this theory.
 Camillo Golgi and Santiago Ramón y Cajal Italy and Spain 1889 Neuron theory

Neuron theory posits that the nervous system is built out of separate cells called neurons, which remain distinct from each other nearly touching one another. Golgi and Ramón y Cajal used staining techniques that worked out the cellular structure of the brain and spinal cord in detail, firmly establishing this theory.