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Descriptor English: Spinal Nerve Roots
Descriptor Spanish: Raíces Nerviosas Espinales
Descriptor raíces nerviosas espinales
Entry term(s) raíces dorsales
raíces espinales
raíces ventrales
Scope note: Pares de haces de FIBRAS NERVIOSAS que entran y salen en cada segmento de la MÉDULA ESPINAL. Las raíces nerviosas dorsales y ventrales se unen para formar los nervios espinales mixtos segmentarios. Las raíces dorsales, generalmente aferentes, están formadas por las proyecciones centrales de las células sensitivas de los ganglios espinales (raíz dorsal) y las raíces ventrales son eferentes compuestas por los axones de los nervios motores espinales y FIBRAS AUTÓNOMAS PREGANGLIONARES.
Descriptor Portuguese: Raízes Nervosas Espinhais
Descriptor French: Racines des nerfs spinaux
Entry term(s): Dorsal Root
Dorsal Roots
Nerve Root, Spinal
Nerve Roots, Spinal
Root, Dorsal
Root, Spinal
Root, Spinal Nerve
Root, Ventral
Roots, Dorsal
Roots, Spinal
Roots, Spinal Nerve
Roots, Ventral
Spinal Nerve Root
Spinal Root
Spinal Roots
Ventral Root
Ventral Roots
Tree number(s): A08.800.800.720.725
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D013126
Scope note: 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.
Annotation: /surg: consider RHIZOTOMY; DORSAL ROOT GANGLIA see GANGLIA, SPINAL is also available; inflammation = RADICULITIS (single root) or POLYRADICULITIS (several roots) or POLYRADICULONEURITIS (nerve roots & peripheral nerves); do not use vertebra headings to locate area of spinal nerves; nerve root compression: coordinate IM with NERVE COMPRESSION SYNDROMES (IM), not SPINAL CORD COMPRESSION
Allowable Qualifiers: AB abnormalities
AH anatomy & histology
BS blood supply
CH chemistry
CY cytology
DE drug effects
DG diagnostic imaging
EM embryology
EN enzymology
GD growth & development
IM immunology
IN injuries
ME metabolism
MI microbiology
PA pathology
PH physiology
PP physiopathology
PS parasitology
RE radiation effects
SU surgery
UL ultrastructure
VI virology
Previous Indexing: Spinal Nerves (1966-1969)
Public MeSH Note: 73
History Note: 73(70)
Related: Polyradiculopathy MeSH
Radiculopathy MeSH
Rhizotomy MeSH
DeCS ID: 13510
Unique ID: D013126
NLM Classification: WL 400
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1973/01/01
Date of Entry: 1999/01/01
Revision Date: 2014/06/25
Spinal Nerve Roots - Preferred
Concept UI M0020321
Scope note 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.
Preferred term Spinal Nerve Roots
Entry term(s) Nerve Root, Spinal
Nerve Roots, Spinal
Root, Spinal
Root, Spinal Nerve
Roots, Spinal
Roots, Spinal Nerve
Spinal Nerve Root
Spinal Root
Spinal Roots
Ventral Roots - Related but not broader or narrower
Concept UI M0020323
Preferred term Ventral Roots
Entry term(s) Root, Ventral
Roots, Ventral
Ventral Root
Dorsal Roots - Related but not broader or narrower
Concept UI M0020322
Preferred term Dorsal Roots
Entry term(s) Dorsal Root
Root, Dorsal
Roots, Dorsal



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