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... > Nervous System > Central Nervous System > Brain > Prosencephalon > Telencephalon > Cerebrum > Cerebral Cortex > Sensorimotor Cortex > Motor Cortex
... > Nervous System > Central Nervous System > Brain > Prosencephalon > Telencephalon > Cerebrum > Cerebral Cortex > Frontal Lobe > Motor Cortex

Preferred term

Motor Cortex  

Type

  • mesh:Descriptor

Definition

  • Area of the FRONTAL LOBE concerned with primary motor control located in the dorsal PRECENTRAL GYRUS immediately anterior to the central sulcus. It is comprised of three areas: the primary motor cortex located on the anterior paracentral lobule on the medial surface of the brain; the premotor cortex located anterior to the primary motor cortex; and the supplementary motor area located on the midline surface of the hemisphere anterior to the primary motor cortex. A thin band of cells on the posterior portion of the precentral gyrus. It forms a parallel band just anterior to primary motor cortex, and the supplementary motor area occupies the central portion of the premotor cortex, along the midline surface of both hemispheres.

Broader concept

Entry terms

  • Motor Area
  • Somatic Motor Areas
  • Somatomotor Areas

Allowable Qualifier(s)

In other languages

URI

http://data.loterre.fr/ark:/67375/JVR-FD59501Q-V

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