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Pyramidal Tracts MeSH Descriptor Data 2023


MeSH Heading
Pyramidal Tracts
Tree Number(s)
A08.186.854.300
A08.612.380.730
Unique ID
D011712
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D011712
Scope Note
Fibers that arise from cells within the cerebral cortex, pass through the medullary pyramid, and descend in the spinal cord. Many authorities say the pyramidal tracts include both the corticospinal and corticobulbar tracts.
Entry Term(s)
Corticobulbar Tracts
Corticospinal Tracts
Decussation, Pyramidal
NLM Classification #
WL 400
Date Established
1966/01/01
Date of Entry
1999/01/01
Revision Date
2018/07/01
Pyramidal Tracts Preferred
Decussation, Pyramidal Related
Corticobulbar Tracts Narrower
Corticospinal Tracts Narrower
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