primary somatomotor area


primary somatomotor area
an area in the posterior part of the frontal lobe just anterior to the central sulcus, corresponding to Brodmann area 4; different regions control motor activity of specific parts of the body. Called also Betz cell a., motor a., precentral a., rolandic a., and Rolando zone.

Medical dictionary. 2011.

Look at other dictionaries:

  • Primary motor cortex — Infobox Brain Name = PAGENAME Latin = GraySubject = 189 GrayPage = 821 Caption = Brodmann area 4 of human brain. Caption2 = Primary motor cortex labeled as somatomotor cortex. IsPartOf = Precentral gyrus Components = Artery = Anterior cerebral… …   Wikipedia

  • motor area — n any of various areas of cerebral cortex believed to be associated with the initiation, coordination, and transmission of motor impulses to lower centers specif a region immediately anterior to the central sulcus having an unusually thick zone… …   Medical dictionary

  • Betz cells cell area — (bets) [Vladimir Aleksandrovich Betz, Russian anatomist, 1834–1894] see under cell, and see primary somatomotor area, under area …   Medical dictionary

  • Betz cell area — primary somatomotor a …   Medical dictionary

  • precentral area — primary somatomotor a …   Medical dictionary

  • Rolandic area — n the motor area of the cerebral cortex lying just anterior to the central sulcus and comprising part of the precentral gyrus L. Rolando see FISSURE OF ROLANDO * * * primary somatomotor a …   Medical dictionary

  • rolandic region — primary somatomotor area …   Medical dictionary

  • Rolando zone — primary somatomotor area …   Medical dictionary

  • benign epilepsy with centrotemporal spikes — benign rolandic epilepsy, benign epilepsy with rolandic spikes a self limited childhood disorder consisting of partial seizures manifested by facial movements and grimaces, often followed by tonic clonic seizures. The electroencephalogram from… …   Medical dictionary

  • nervous system, human — ▪ anatomy Introduction       system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …   Universalium


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