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Medical Dictionary

ventral horn

noun

Medical Definition of ventral horn

  1. :  a longitudinal subdivision of gray matter in the anterior part of each lateral half of the spinal cord that contains neurons giving rise to motor fibers of the ventral roots of the spinal nerves <The dorsal horn contains an orderly arrangement of sensory relay neurons that receive input from the periphery, while the ventral horn contains motor nuclei that innervate specific muscles.—David G. Amaral, in Principles of Neural Science, 4th edition, 2000>—called also anterior column, anterior gray column, anterior horn, ventral column, ventral gray column; compare dorsal horn, lateral column 1




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