A continuation of the neuron projection bundle component of a nerve inside, crossing or immediately outside the central nervous system. [ http://orcid.org/0000-0002-6601-2165 https://github.com/obophenotype/uberon/issues/286 ]
Synonyms: radix nervi initial segment of nerve
Term information
- SCTID:362295007
- FMA:82524
- FMA:5981
- Wikipedia:Nerve_root
- NCIT:C54024
- NLX:144250
- UMLS:C0228084 (ncithesaurus:Nerve_Root)
uberon_slim, human_reference_atlas
We consider cranial nerve roots to be primarily CNS structures, but model spinal nerve roots as PNS structures, due to the existence of ganglia on the roots.
The continuation of the neurite bundle and associated glia of a nerve, inside the central nervous system[FBbt:00007602, FBC:DOS].
FMA has 'central zone of nerve' which is the superclass of cranial nerve tracts, which the FMA sometimes calls roots
Term relations
- neuron projection bundle
- part of some nervous system
- extends_fibers_into some central nervous system
- part of some system
- extends_fibers_into some nerve