The term area 24cd refers to the part of area 24c located in the dorsorostral bank of the cingulate sulcus where the cingulate gyrus curves around the genu of corpus callosum in the human. The other part of area 24c, area 24cv, is located in the ventrorostral bank of the sulcus.The equivalent area 24c of the macaque is not subdivided ( Vogt-2012 ). The rat and mouse have no equivalent structure ( Vogt-2013 ).