Spinal Nerve Roots

Paired bundles of NERVE FIBERS entering and leaving the SPINAL CORD at each segment. The dorsal and ventral nerve roots join to form the mixed segmental spinal nerves. The dorsal roots are generally afferent, formed by the central projections of the spinal (dorsal root) ganglia sensory cells, and the ventral roots are efferent, comprising the axons of spinal motor and PREGANGLIONIC AUTONOMIC FIBERS.

Year introduced: 1973(1970)

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Restrict to MeSH Major Topic.

Do not include MeSH terms found below this term in the MeSH hierarchy.

Tree Number(s): A08.800.800.720.725

MeSH Unique ID: D013126

Entry Terms:

• Nerve Root, Spinal
• Nerve Roots, Spinal
• Root, Spinal Nerve
• Roots, Spinal Nerve
• Spinal Nerve Root
• Spinal Roots
• Root, Spinal
• Roots, Spinal
• Spinal Root
• Dorsal Roots
• Dorsal Root
• Root, Dorsal
• Roots, Dorsal
• Ventral Roots
• Roots, Ventral
• Root, Ventral
• Ventral Root

Previous Indexing:

• Spinal Nerves (1966-1969)

See Also:

• Polyradiculopathy
• Radiculopathy
• Rhizotomy

All MeSH Categories
Anatomy Category
Nervous System
Peripheral Nervous System
Peripheral Nerves
Spinal Nerves
Spinal Nerve Roots
Cauda Equina
Ganglia, Spinal