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Jelliffe, Smith Ely

(Encyclopedia)Jelliffe, Smith Ely jĕˈlĭf [key], 1866–1945, American neurologist and psychiatrist, b. New York City, M.D. Columbia, 1889. He was consultant at Manhattan State Hospital and at Kings Park State Ho...

ganglion

(Encyclopedia)ganglion: see nervous system.

reflex

(Encyclopedia)reflex: see nervous system.

nerve

(Encyclopedia)nerve: see nervous system.

gray matter

(Encyclopedia)gray matter: see nervous system. ...

Schwann cell

(Encyclopedia)Schwann cell: see nervous system. ...

neuron

(Encyclopedia)neuron, specialized cell in animals that, as a unit of the nervous system, carries information by receiving and transmitting electrical impulses. ...

nodes of Ranvier

(Encyclopedia)nodes of Ranvier: see nervous system. ...

Mitchell, Silas Weir

(Encyclopedia)Mitchell, Silas Weir, 1829–1914, American physician and author, b. Philadelphia, M.D. Jefferson Medical College, 1850, studied in Paris. A pioneer in the application of psychology to medicine, he wo...

neuralgia

(Encyclopedia)neuralgia no͝orălˈjə, nyo͝o– [key], acute paroxysmal pain along a peripheral sensory nerve. Unlike neuritis, there is no inflammation or degeneration of nerve tissue. Neuralgia occurs commonly ...