from 4 - Neuroanatomy
Published online by Cambridge University Press: 08 November 2023
The frontal lobes are the largest and most anterior parts of each cerebral hemisphere. They are limited posteriorly by the central sulcus, anteriorly by the cerebral supraciliary margin, medially by the interhemispheric fissure, and laterally and inferiorly by the lateral (Sylvian) fissure (see Figure 4.3.1 in the previous section; Ribas, 2015). The dorsal surface of the frontal lobes is constituted posteriorly by the precentral gyrus, and anteriorly by the longitudinal superior, middle and inferior frontal gyri, converging in front to constitute the frontal pole. The ventral surface is constituted by the orbital and rectus gyri. The medial frontal surface faces the falx cerebri, the crescent-shaped fold of dura mater which separates the hemispheres.
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