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June 1989

Neurons in Onuf's Nucleus

Author Affiliations

Department of Neurology Medical College of Georgia Augusta, GA 30912

Arch Neurol. 1989;46(6):606. doi:10.1001/archneur.1989.00520420024016

To the Editor.  —In their otherwise excellent review of amyotrophic lateral sclerosis, the authors1 incorrectly refer to neurons in Onuf's nucleus as being parasympathetic. These neurons are probably a special class of somatic motor neurons and innervate the striated muscles of the anal and urethral sphincters.2 The sacral parasympathetic neurons are situated more dorsally in the intermediolateral cell column.

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