Anatomy [A] » Nervous System [A08] » Peripheral Nervous System » Peripheral Nerves » Spinal Nerves » Spinal Nerve Roots
Description
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. MeSH
Hierarchy View
Subtype Terms (2)
Hierarchy Tree View
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