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Pyramidal tracts

The pyramidal tracts include both the corticobulbar tract and the corticospinal tract. These are aggregations of efferent nerve fibers from the upper motor neurons that travel from the cerebral cortex and terminate either in the brainstem (corticobulbar) or spinal cord (corticospinal) and are involved in the control of motor functions of the body.

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Decussation
Many fibres in the medullary pyramids
FMA
72634
From
Cerebral cortex
Latin
tractus pyramidalis tractus corticospinalis
MeSH
D011712
NeuroLex ID
birnlex_1464

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Structure

Function

Clinical significance

Additional images

In popular culture

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Map overview Semantic statistics

Pyramidal tracts

Nodes91
Edges90
Triples53
Avg. degree1.98
Density0.021978
Components1

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Pyramidal tracts

Top relations

related to Corticospinal tract · 9
Pyramidal tracts → About, At, Below, Fibres, Here, Nerve, The, These, This
related to In popular culture · 8
Pyramidal tracts → Cairo, Chevy Chase, Clark Griswold, Griswold, In National Lampoon's European, Pig, Poke, Vacation
related to Function · 6
Pyramidal tracts → Because, By, The, Their, They, With
related to Structure · 3
Pyramidal tracts → Nerves, The, There
Decussation · 1
Pyramidal tracts → Many fibres in the medullary pyramids
FMA · 1
Pyramidal tracts → 72634
From · 1
Pyramidal tracts → Cerebral cortex
Latin · 1
Pyramidal tracts → tractus pyramidalis tractus corticospinalis
MeSH · 1
Pyramidal tracts → D011712
NeuroLex ID · 1
Pyramidal tracts → birnlex_1464

Important terminology Word statistics

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Important terminology

tract corticospinal axons pyramidal motor cortex corticobulbar tracts spinal cord brain fibres muscles cerebral nerve nerves medulla involved oblongata lower

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Pyramidal tractsDecussationMany fibres in the medullary pyramids1.00infobox
Pyramidal tractsFMA726341.00infobox
Pyramidal tractsFromCerebral cortex1.00infobox
Pyramidal tractsLatintractus pyramidalis tractus corticospinalis1.00infobox
Pyramidal tractsMeSHD0117121.00infobox
Pyramidal tractsNeuroLex IDbirnlex_14641.00infobox
Pyramidal tractsNeuroNames13201.00infobox
Pyramidal tractsTA260401.00infobox
Pyramidal tractsTA98A14.1.04.102 A14.1.06.1021.00infobox
Pyramidal tractsToSpinal cord (corticospinal) or brainstem (corticobulbar)1.00infobox
strokesinstance ofand an extensor plantar response known as the Babinski sign.Symptoms generally occur alongside other sensory problems.Causes may include disorders0.80text
cerebral palsyinstance ofand an extensor plantar response known as the Babinski sign.Symptoms generally occur alongside other sensory problems.Causes may include disorders0.80text

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