Location in English Hierarchy of Brain Structures

(H) human only

(M) monkey only

FRONTAL LOBE

Volumetric Substructures superior frontal gyrus middle frontal gyrus INFERIOR FRONTAL GYRUS precentral gyrus fronto-orbital gyrus (M) ORBITAL GYRI gyrus rectus Superficial Features frontal pole frontal operculum orbital operculum precentral operculum superior frontal sulcus (H) middle frontal sulcus (H) inferior frontal sulcus (H) superior ramus of arcuate sulcus (M) inferior ramus of arcuate sulcus (M) principal sulcus (M) diagonal sulcus (H) anterior ascending limb of lateral sulcus (H) anterior horizontal limb of lateral sulcus (H) paracentral sulcus (H) superior precentral sulcus inferior precentral sulcus (H) anterior subcentral sulcus (M) anterior subcentral sulcus (H) superior rostral sulcus (H) inferior rostral sulcus (H) rostral sulcus (M) fronto-orbital sulcus olfactory sulcus orbital sulcus (H) transverse orbital sulcus (H) lateral orbital sulcus (M) medial orbital sulcus (M)

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