Sulci and gyri of superolateral surface Frontal lobe: Precentral gyrus Precentral sulcus Superior frontal sulcus Inferior frontal sulcus Superior,middle and inferior frontal gyri Sulci and gyri of superolateral surface Precentral gyrus Superior frontal sulcus Inferior frontal sulcus Superior, middle and inferior frontal gyri Precentral sulcus Frontal lobe: