Watch this video (http://openstaxcollege.org/l/graymatter) to learn about the gray matter of the spinalcord that receives input from fibers of the dorsal (posterior)root and sends information out through the fibers of theventral (anterior) root. As discussed in this video, theseconnections represent the interactions of the CNS withperipheral structures for both sensory and motor functions.The cervical and lumbar spinal cords have enlargements asa result of larger populations of neurons. What are theseenlargements responsible for?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Watch this video (http://openstaxcollege.org/l/
graymatter) to learn about the gray matter of the spinal
cord that receives input from fibers of the dorsal (posterior)
root and sends information out through the fibers of the
ventral (anterior) root. As discussed in this video, these
connections represent the interactions of the CNS with
peripheral structures for both sensory and motor functions.
The cervical and lumbar spinal cords have enlargements as
a result of larger populations of neurons. What are these
enlargements responsible for?

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