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ventral horn

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
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Noun1.ventral horn - one of two the two roots of a spinal nerve that passes ventrally from the spinal cord and that consists of motor fibers
efferent, efferent nerve, motor nerve - a nerve that conveys impulses toward or to muscles or glands
nervus spinalis, spinal nerve - any of the 31 pairs of nerves emerging from each side of the spinal cord (each attached to the cord by two roots: ventral and dorsal)


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3) Most reticulospinal tract fibers synapse on interneurons in lamina VII and VIII (1,3) of the ventral horn, most abundantly within the cervical spinal cord, (2) and function in the control of movements not requiring conscious effort (such as the maintenance of posture and shivering).
7B) with widely scattered 5-HT cells on the lateral edge of the ventral horn (Fig.
Microscopic review of the animals' spinal cords at 8 weeks postimplant showed that in many cases, the neural stem cells had migrated up and down the spinal cord and intro the ventral horn, with 5-7% of the cells differentiating into neurons.
 
 
 
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