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precentral gyrus

precentral gyrus The precentral gyrus is a fold on the outer surface of each cerebral hemisphere, lying just in front of the postcentral gyrus and running alongside the central sulcus.

The precentral gyrus is a fold on the outer surface of each cerebral hemisphere, lying just in front of the postcentral gyrus and running alongside the central sulcus. It corresponds largely to the brain’s primary motor cortex.

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Sources

Drafting source: NCI Thesaurus. Flat export snapshot 2026-10-18. “Precentral Gyrus” (C33393).
CC-BY-4.0 · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: b27ca135beadd46c343d248135377c5077c5447fe11b93803bfab866b84fcd38

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “precentral gyrus.” Development preview.

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