part of
spinal nerve
Any of the paired nerves which leave the spinal cord of a craniate vertebrate, supply muscles of the trunk and limbs, and connect with the nerves of the sympathetic nervous system, which arise by a short motor ventral root and a short sensory dorsal root, and of which there are 31 pairs in humans classified according to the part of the spinal cord from which they arise into 8 cervical pairs, 12 thoracic pairs, 5 lumbar pairs, 5 sacral pairs, and one coccygeal pair.
BTO:0000870
BrendaTissueOBO
nerve
peripheral nervous system