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Term of the Day

December 10, 2025

neuron doctrine

neuron doctrine

the principle that the nervous system is composed of individual cells (neurons) that make contact with each other but do not interpenetrate. Before this doctrine was accepted, many assumed that the nervous system consisted of continuous tubelike networks. Also called neuron theory. [presented in 1891 by German physician Heinrich Wilhelm von Waldeyer-Hartz (1836–1921)]

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