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.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
spinal nerveAnatomy Any one of the 31 pairs of nerves that arise from the spinal cord
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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
Medical Dictionary, © 2009 Farlex and Partners
spinal nerveany of numerous nerves which leave the SPINAL CORD, one pair in each segment, each being connected with the cord by a dorsal and a ventral root. They are ‘mixed nerves’ (containing both sensory and motor fibres) and carry groups of AXONS to receptors and effectors in different parts of the body see REFLEX ARC.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005