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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.
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.
The hypothalamic sulcus (sulcus of Monro) is a groove in the lateral wall of the third ventricle, marking the boundary between the thalamus and hypothalamus.The upper and lower portions of the lateral wall of the third ventricle correspond to the alar lamina and basal lamina, respectively, of the lateral wall of the fore-brain vesicle and are separated from each other by a furrow, the ...
Download as PDF; Printable version; ... Anatomical terms of neuroanatomy [edit on Wikidata] The paracentral sulcus is a sulcus of the brain.
There is a region of the central sulcus, called the “hand knob”, which is a notch in the area of the hand motor region. The position of this “knob” can be indicative as well of someone's handedness. [11] As motor functions develop, it is expected that the shape of the central sulcus will change.
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).
Gingival sulcus at neck of mammalian tooth Pollen grains of Cercis are sulcate, with reticulate surface. Rotating image of human brain, illustrating the lateral sulcus in the brain. In biological morphology and anatomy, a sulcus (pl.: sulci) is a furrow or fissure (Latin fissura, pl.: fissurae).
The intraparietal sulcus (IPS) is located on the lateral surface of the parietal lobe, and consists of an oblique and a horizontal portion. The IPS contains a series of functionally distinct subregions that have been intensively investigated using both single cell neurophysiology in primates [ 1 ] [ 2 ] and human functional neuroimaging. [ 3 ]