Subcallosal Area
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The subcallosal area (parolfactory area of Broca) is a small triangular field on the medial surface of the hemisphere in front of the
subcallosal gyrus The subcallosal gyrus (paraterminal gyrus, peduncle of the corpus callosum) is a narrow lamina on the medial surface of the hemisphere in front of the lamina terminalis, behind the parolfactory area, and below the rostrum of the corpus callosum. ...
, from which it is separated by the
posterior parolfactory sulcus Posterior may refer to: * Posterior (anatomy), the end of an organism opposite to anterior ** Buttocks, as a euphemism * Posterior horn (disambiguation) * Posterior probability The posterior probability is a type of conditional probability that ...
; it is continuous below with the
olfactory trigone The olfactory trigone is a small triangular area in front of the anterior perforated substance. Its apex, directed forward, occupies the posterior part of the olfactory sulcus, and is brought into view by throwing back the olfactory tract The ...
, and above and in front with the
cingulate gyrus The cingulate cortex is a part of the brain situated in the medial aspect of the cerebral cortex. The cingulate cortex includes the entire cingulate gyrus, which lies immediately above the corpus callosum, and the continuation of this in the cin ...
; it is limited anteriorly by the
anterior parolfactory sulcus Standard anatomical terms of location are used to describe unambiguously the anatomy of humans and other animals. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position provi ...
. The subcallosal area is also known as "Zuckerkandl's gyrus", for
Emil Zuckerkandl Emil Zuckerkandl (1 September 1849 Győr, Hungary – 28 May 1910, Vienna, Austria-Hungary) was an Austrian-Hungarian anatomist who held the first chair for anatomy at the University of Vienna as of 1888. Biography Zuckerkandl was born in ...
. The
parahippocampal gyrus The parahippocampal gyrus (or hippocampal gyrus') is a grey matter cortical region, a gyrus of the brain that surrounds the hippocampus and is part of the limbic system. The region plays an important role in memory encoding and retrieval. It ha ...
, subcallosal area, and
cingulate gyrus The cingulate cortex is a part of the brain situated in the medial aspect of the cerebral cortex. The cingulate cortex includes the entire cingulate gyrus, which lies immediately above the corpus callosum, and the continuation of this in the cin ...
have been described together as the periarcheocortex. The "subcallosal area" and "parolfactory area" are considered equivalent in
BrainInfo ''NeuroNames'' is an integrated nomenclature for structures in the brain and spinal cord of the four species most studied by neuroscientists: human, macaque, rat and mouse. It offers a standard, controlled vocabulary of common names for structure ...
, but in
Terminologia Anatomica ''Terminologia Anatomica'' (commonly abbreviated TA) is the international standard for human anatomy, human anatomical terminology. It is developed by the Federative International Programme on Anatomical Terminology (FIPAT) a program of the Inter ...
they are considered distinct structures.


Additional images

File:Subcallosal area.gif, 3D view of the subcallosal area in an average human brain


References

Cerebrum {{neuroanatomy-stub