Özet:

The cerebral hemispheres are subdivided into a number of lobes by sulci and fissures. The most striking sulci on the convex surface of the brain are the lateral sulcus and the central sulcus. The central sulcus (of Rolando) is a deep and usually continuous furrow running downward and slightly forward from the middle of the superior border of the hemisphere to the lateral sulcus without quite reaching the latter. The sulcus shows two kneelike bends and usually incises the superior border to reach the medial surface. The vertical precentral sulcus runs parallel to the central sulcus and it is sometimes broken up into superior and inferior segments. The postcentral sulcus is also usually broken up into superior and inferior segments and runs parallel to the central sulcus (1).

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