Posterior parolfactory sulcus

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The posterior parolfactory sulcus is a vertically oriented sulcus located in the septal area on the medial surface of the frontal lobe. It lies inferior to the rostrum of the corpus callosum and anterior to the third ventricle. The posterior parolfactory sulcus separates the subcallosal area (parolfactory gyrus) anteriorly and the paraterminal gyrus posteriorly .