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Morphological Study of the Central Sulcus in Formalin Fixed Human Brain

Shailendra S. Jadhav, Professor, Department of Anatomy, RCSM Government Medical College, Kolhapur, Maharashtra 416002, India. , Harish A. Wankhede1 , Shailendra S. Jadhav2 , Dipti A. Nimje3

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Indian Journal of Anatomy 6(4):p 425-428, Oct-Dec 2017. | DOI: DOI: http://dx.doi.org/10.21088/ija.2320.0022.6417.1

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Abstract

 Central sulcus is very crucial regarding identification of other sulci on the superolateral surface of the cerebral hemisphere of human brain. Surprisingly, cortical sulci and gyri attracted little attention until the 19th century, when clinical neurology, neuropathology and comparative anatomy start to unveil the complexity and functional significance of the cortical mantle. The central sulcus is of special importance because it separates the main motor and sensory areas of the cerebral cortex. Central sulcus is one of the important sulcus and is often difficult to identify. It begins superiorly on the medial surface approximately midway between the frontal and occipital poles and crossing the superomedial border, extends antero-inferiorly to end just superior to the posterior ramus of the lateral sulcus, 2-3 cm posterior to the origin of the lateral sulcus. Contrary to this usual finding we can say from the present study that central sulcus is continues one and is shifted more posteriorly i.e. behind the 50% area from frontal pole when measured at superomedial border of cerebral hemisphere. Central sulcus may not always cut the superomedial border and may not always be arched by prominent arched gyrus at the posterior ramus of the lateral sulcus.

Keywords: Central Sulcus; Posterior Ramus; Lateral Sulcus; Brain.

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DOI: DOI: http://dx.doi.org/10.21088/ija.2320.0022.6417.1

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