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premotor cortex

intermediate precentral cortex

Lying within the frontal lobe, the premotor cortex is the area of motor cortex immediately anterior to the primary motor cortex. It extends about 3 mm anterior to the primary motor cortex near the Sylvian fissure, then narrows to roughly 1 mm near the medial longitudinal fissure, which forms the posterior border of the prefrontal cortex. In cytoarchitectural terms the region is largely equivalent to Brodmann area 6. Activity within it is critical to the sensory guidance of movement and to control of the proximal and trunk muscles of the body, a division of labour that distinguishes it from cortex governing distal musculature. Its Latin designation is the intermediate precentral cortex, reflecting its position between the primary motor and prefrontal fields.

The premotor cortex is an area of motor cortex lying within the frontal lobe of the brain. It extends 3 mm anterior to the primary motor cortex, near the Sylvian fissure, before narrowing to approximately 1 mm near the medial longitudinal fissure, which serves as the posterior border for the prefrontal cortex. The premotor cortex is largely equivalent to Brodmann area 6. Activity within this region is critical to the sensory guidance of movement and control of proximal and trunk muscles of the body.

On this page
Type Muscle
Structure parente regional part of brain
Nom latin intermediate precentral cortex
FMA ID 224852

Frequently Asked Questions

What is the premotor cortex?

The premotor cortex is an area of motor cortex lying within the frontal lobe of the brain. It extends 3 mm anterior to the primary motor cortex, near the Sylvian fissure, before narrowing to approximately 1 mm near the medial longitudinal fissure, which serves as the posterior border for the prefron

What is the Latin name for the premotor cortex?

The Latin name for the premotor cortex is intermediate precentral cortex.

References

  1. Foundational Model of Anatomy — FMA:224852 Reference anatomy ontology (University of Washington)
  2. UBERON — UBERON:0016634 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)
  3. Wikidata — Q2998090 Structured knowledge base cross-reference

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Educational Disclaimer

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.