FIGURE 2. Sagittal section through the midline of a human brain photographed postmortem and marked to show the cytoarchitectonic areas established by dissection and histological characterization of other human brain specimens*3.

*The human subgenual (or “subcallosal”) anterior cingulate gyrus consists of agranular cortex characterized as BA 24 anteriorly and BA 25 posteriorly.
C=cotex; BA=Brodmann area.
Ongür D, Ferry AT, Price JL. Architectonic subdivision of the human orbital and medial prefrontal cortex. J Comp Neurol. 2003;460:425–449.