Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Either of the two roots of a spinal nerve, consisting of sensory fibers and arising from the posterior section of the spinal cord.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun one of the two roots of a spinal nerve that passes dorsally to the spinal cord and that consists of sensory fibers

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