Brain: Brodmann area 40
Brodmann area 40
Drawing of a cast to illustrate the relations of the brain to the skull. (Supramarginal gyrus labeled at upper left, in yellow section.)
Latin	gyrus supramarginalis
NeuroNames	ancil-68
Dorlands/Elsevier	g_13/12405503

Brodmann area 40, or BA40, is part of the parietal cortex in the human brain. The inferior part of BA40 is in the area of the supramarginal gyrus, which lies at the posterior end of the lateral fissure, in the inferior lateral part of the parietal lobe.

It is bounded approximately by the intraparietal sulcus, the inferior postcentral sulcus, the posterior subcentral sulcus and the lateral sulcus. Cytoarchitecturally it is bounded caudally by the angular area 39 (H), rostrally and dorsally by the caudal postcentral area 2, and ventrally by the subcentral area 43 and the superior temporal area 22 (Brodmann-1909).

See also

• parietal operculum

Additional images

Lateral surface of left cerebral hemisphere, viewed from above.

See also

• Brodmann area
• List of regions in the human brain

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