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Spinal cord

Name: Spinal cord
Description: Part of the central nervous system located in the vertebral canal continuous with and caudal to the brain; demarcated from brain by plane of foramen magnum. It is composed of an inner core of gray matter in which nerve cells predominate, and an outer layer of white matter in which myelinated nerve fibers predominate, and surrounds the central canal. (CUMBO). The caudal topographic division of the cerebrospinal axis. The usual criterion for distinguishing the two divisions in the adult is that the vertebrate brain lies within the skull whereas the spinal cord lies within the spinal (vertebral) column, although this is a difficult problem in practice; see Crosby et al. (1962, pp. 112-120). Definite knowledge of the spinal cord dates to Hippocrates in Fleshes (see translation by Potter, 1995, p. 139), and Galen (c162-c176) used the term specifically-see translation by De Lacy (1978, p. 85).
Synonym(s): Medulla spinalis, Spinal marrow, Spinal medulla
Abbreviation: SP
Is part of: Cerebrospinal axis
Super-category: Organ
*Id: birnlex_1709
Link to OWL / RDF: Download this content as OWL/RDF

Neurons in Spinal cord

Spinal cord border cell, Spinal cord intermediate horn motor neuron sympathetic, Spinal cord motor neuron parasympathetic, Spinal cord proprioception intersegmental cell, Spinal cord ventral horn interneuron FRA, Spinal cord ventral horn interneuron IA, Spinal cord ventral horn interneuron IB, Spinal cord ventral horn interneuron II, Spinal cord ventral horn interneuron Renshaw, Spinal cord ventral horn interneuron V0, Spinal cord ventral horn interneuron V0C, Spinal cord ventral horn interneuron V0G, Spinal cord ventral horn interneuron V1, Spinal cord ventral horn interneuron V2, Spinal cord ventral horn interneuron V2b, Spinal cord ventral horn interneuron V3, Spinal cord ventral horn motor neuron alpha, Spinal cord ventral horn motor neuron beta, Spinal cord ventral horn motor neuron gamma are neurons that can be found in Spinal cord or its parts.

Axons in Spinal cord

Dorsal root ganglion A alpha-beta non-nociceptive neuron, Neocortex primary motor area pyramidal layer 5 corticospinal cell, Neocortex pyramidal cell are neurons or parts of neurons whose axons can be found in Spinal cord or its parts.

Dendrites in Spinal cord

Spinal cord ventral horn motor neuron alpha, Spinal cord ventral horn motor neuron gamma are neurons whose dendrites can be found in Spinal cord or its parts.

Parts of Spinal cord

Inferred outgoing projections for Spinal cord

The following brain regions receive axons from Spinal cord: Anterior spinocerebellar tract, Central cervical spinocerebellar tract, Fastigial nucleus. The statements about these projections are not made on this page, but rather are made on the pages linked here.

Inferred incoming projections for Spinal cord

The following brain regions send axons into Spinal cord: Fastigial nucleus, Lateral agranular field, Neocortex, Primary motor cortex, Red nucleus. The statements about these projections are not made on this page, but rather are made on the pages linked here.


  • Neuro Names ID: 2
  • Externally Sourced Definition: * Caudalmost subdivision of neuraxis that consists of neural tissue (which is organized into gray matter and white matter) and the central canal (cavity of organ part); it is embryologically derived from the caudal part of the neural tube. Together with the brain, the spinal cord constitutes the neuraxis. Examples: There is only one spinal cord. (UWDA) * The elongated, approximately cylindrical part of the central nervous system of vertebrates that lies in the vertebral canal and from which the spinal nerves emerge. (On-line Medical Dictionary) (NCI) * that part of the central nervous system which is lodged in the vertebral canal; it is composed of an inner core of gray matter in which nerve cells predominate, and an outer layer of white matter in which myelinated nerve fibers predominate; it is enclosed in three protective membranes, the meninges. (CSP)
  • Definition Source: UMLS
  • Definition Source: FMC


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*Note: Neurolex imports many terms and their ids from existing community ontologies, e.g., the Gene Ontology. Neurolex, however, is a dynamic site and any content beyond the identifier should not be presumed to reflect the content or views of the source ontology. Users should consult with the authoritative source for each ontology for current information.

Facts about Spinal cordRDF feed
AbbrevSP  +
Created15 July 2006  +
CurationStatusuncurated  +
DefinitionPart of the central nervous system located Part of the central nervous system located in the vertebral canal continuous with and caudal to the brain; demarcated from brain by plane of foramen magnum. It is composed of an inner core of gray matter in which nerve cells predominate, and an outer layer of white matter in which myelinated nerve fibers predominate, and surrounds the central canal. (CUMBO). The caudal topographic division of the cerebrospinal axis. The usual criterion for distinguishing the two divisions in the adult is that the vertebrate brain lies within the skull whereas the spinal cord lies within the spinal (vertebral) column, although this is a difficult problem in practice; see Crosby et al. (1962, pp. 112-120). Definite knowledge of the spinal cord dates to Hippocrates in Fleshes (see translation by Potter, 1995, p. 139), and Galen (c162-c176) used the term specifically-see translation by De Lacy (1978, p. 85). -see translation by De Lacy (1978, p. 85).
DefinitionSourceUMLS  +, and FMC  +
ExternallySourcedDefinition* Caudalmost subdivision of neuraxis that * Caudalmost subdivision of neuraxis that consists of neural tissue (which is organized into gray matter and white matter) and the central canal (cavity of organ part); it is embryologically derived from the caudal part of the neural tube. Together with the brain, the spinal cord constitutes the neuraxis. Examples: There is only one spinal cord. (UWDA) * The elongated, approximately cylindrical part of the central nervous system of vertebrates that lies in the vertebral canal and from which the spinal nerves emerge. (On-line Medical Dictionary) (NCI) * that part of the central nervous system which is lodged in the vertebral canal; it is composed of an inner core of gray matter in which nerve cells predominate, and an outer layer of white matter in which myelinated nerve fibers predominate; it is enclosed in three protective membranes, the meninges. (CSP) protective membranes, the meninges. (CSP)
Idbirnlex_1709  +
Is part ofCerebrospinal axis  +
LabelSpinal cord  +
ModifiedDate2 December 2014  +
NeuronamesID2  +
NeuronamesLinkhttp://braininfo.rprc.washington.edu/Scripts/hiercentraldirectory.aspx?ID=2  +
SuperCategoryOrgan  +
SynonymMedulla spinalis  +, Spinal marrow  +, and Spinal medulla  +
UmlscuiC0037925  +