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Facts

Also Known As nerve fibre

Photos

myelin
Diagram of a neuron showing the cell body with nucleus, branching dendrites, a long axon covered by myelin sheaths from Schwann cells, and nodes of Ranvier. Labels identify the nerve impulse path, axon terminals, and synapses, with an inset highlighting the myelin sheath and node structure.
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Key People

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Ragnar Arthur Granit
Swedish physiologist
Du Bois-Reymond, engraving, c. 1900.
Emil Heinrich Du Bois-Reymond
German physiologist
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Robert Remak
German embryologist and neurologist
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Ross Granville Harrison
American zoologist
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Joseph Erlanger
American physiologist
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Herbert Spencer Gasser
American physiologist
Wilhelm His, c. 1900
Wilhelm His
Swiss-born German anatomist and embryologist