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In neuroanatomy, a sulcus (Latin: "furrow"; pl.: sulci) is a shallow depression or groove in the cerebral cortex.One or more sulci surround a gyrus (pl. gyri), a ridge on the surface of the cortex, creating the characteristic folded appearance of the brain in humans and most other mammals.
It is bounded approximately by the intraparietal sulcus, the inferior postcentral sulcus, the posterior subcentral sulcus and the lateral sulcus. 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).
Brodmann area 43, the subcentral area, is a structurally distinct area of the cerebral cortex defined on the basis of cytoarchitecture.Along with Brodmann Area 1, 2, and 3, Brodmann area 43 is a subdivision of the postcentral region of the brain, [1] suggesting a somatosensory ('feeling of the body') function.
The borders of this area are: the precentral sulcus in front , the medial longitudinal fissure at the top , the central sulcus in back (posteriorly), and the lateral sulcus along the bottom . This area of cortex, as shown by Wilder Penfield and others, has the pattern of a homunculus. That is, the legs and trunk fold over the midline; the arms ...
In the human brain, the superior temporal sulcus (STS) is the sulcus separating the superior temporal gyrus from the middle temporal gyrus in the temporal lobe of the brain.A sulcus (plural sulci) is a deep groove that curves into the largest part of the brain, the cerebrum, and a gyrus (plural gyri) is a ridge that curves outward of the cerebrum.
Calcarine sulcus or Calcerine fissure: extends from the occipital of the cerebrum to the occipital fissure. Callosomarginal fissure: found in the medial surface of the cerebrum. Central sulcus or Rolando's fissure: separates the brain's frontal and parietal lobes. Clevenger's fissure: found in the inferior temporal lobe of the brain
Download as PDF; Printable version; ... Anatomical terms of neuroanatomy [edit on Wikidata] The paracentral sulcus is a sulcus of the brain.
Brodmann area 52 is found along the lateral sulcus, which is a groove on the side of the brain, on the upper part of the temporal lobe. The area is located near the boundary between the temporal lobe and the insula , another important brain region involved in sensory processing and emotional responses .