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nuclei of origin

nuclei of origin in Medicine

nuclei of origin pl.n.
Collections of motor neurons forming a column continuous in the spinal cord but discontinuous in the medulla and pons and giving origin to the spinal and cranial motor nerves. Also called motor nuclei.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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