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subcallosal area ( parolfactory area of Broca) is a small triangular field on the medial surface of the hemisphere in front of the subcallosal gyrus, from which it is separated by the posterior parolfactory sulcus; it is continuous below with the olfactory trigone, and above and in front with the cingulate gyrus; it is limited anteriorly by the anterior parolfactory sulcus.
The subcallosal area is also known as "Zuckerkandl's gyrus", for
parahippocampal gyrus, subcallosal area, and cingulate gyrus have been described together as the periarcheocortex.
The "subcallosal area" and "parolfactory area" are considered equivalent in
BrainInfo, but in  Terminologia Anatomica they are considered distinct structures.
References This article was originally based on an entry from a
public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.