spinal nerve(redirected from T9 spinal nerve)
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Related to T9 spinal nerve: Nn spinales
Any of the 62 paired nerves emerging from the spinal cord, each attached to the cord by two roots, anterior or ventral and posterior or dorsal, the latter provided with a spinal ganglion.
spinal nerveAnatomy Any one of the 31 pairs of nerves that arise from the spinal cord
Any of the 31 sets of nerves originating in the spinal cord and emerging from the spinal canal through intervertebral foramina. Each spinal nerve is the concatenation of two sets of axons that emerge separately from the spinal cord: sensory axons (the dorsal root) and motor axons (the ventral root). See: illustrationillustration
See also: nerve