nuclei of origin
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.motor nuclei
The Origin Of Dog DaysThe exact dates of the dog days depend on your latitude, but by today’s estimation they begin on July 3 and come to a close on August 11.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.