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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 neuroanatomy, a gyrus (pl.: gyri) is a ridge on the cerebral cortex. It is generally surrounded by one or more sulci (depressions or furrows; sg.: sulcus). [1]
Specifically, different patterns appear in the superior frontal sulcus, Sylvian fissure, inferior frontal gyrus, superior temporal gyrus, and olfactory sulci. [45] These areas relate to working memory, emotional processing, language, and eye gaze, [ 46 ] and their difference in location and level of gyrification when compared to a non-autistic ...
Differences between genders regarding the average width of the central sulcus as one ages has also been shown. [10] The average width of the central sulcus in males tends to increase more rapidly over time than that of females. [10] The surface area of the central sulcus has proven to have an effect on the handedness of an individual. [11]
The second, the angular gyrus , arches over the posterior end of the superior temporal sulcus, behind which it is continuous with the middle temporal gyrus. In males, the inferior parietal lobule is significantly more voluminous in the left hemisphere compared to the right.
In biological morphology and anatomy, a sulcus (pl.: sulci) is a furrow or fissure (Latin fissura, pl.: fissurae). It may be a groove, natural division, deep furrow, elongated cleft, or tear in the surface of a limb or an organ, most notably on the surface of the brain , but also in the lungs , certain muscles (including the heart ), as well as ...
The precentral sulcus is a part of the human brain that lies parallel to, and in front of, the central sulcus. [1] [2] A sulcus is one of the prominent grooves on the surface of the human brain. The precentral sulcus divides the inferior, middle and superior frontal gyri from the precentral gyrus.
The lateral part of the parieto-occipital sulcus (Fig. 726) is situated about 5 cm in front of the occipital pole of the hemisphere, and measures about 1.25 cm. in length. The medial part of the parieto-occipital sulcus (Fig. 727) runs downward and forward as a deep cleft on the medial surface of the hemisphere, and joins the calcarine fissure ...