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Brodmann area 28

Subdivision of the cerebral cortex

Summary

Subdivision of the cerebral cortex

Field	Value
Name	Brodmann area 28
Latin	area entorhinalis ventralis
Image	Brodmann Cytoarchitectonics 28.png
Image2	Gray727-Brodman.png
Caption2	Medial surface of the brain with Brodmann's areas numbered.

Brodmann area 28 is a subdivision of the cerebral cortex defined on the basis of cytoarchitecture. It is located on the medial aspect of the temporal lobe and is part of the entorhinal cortex

Human

In humans, Brodmann area 28, and Brodmann area 34 together constitute approximately the entorhinal cortex.

Guenon

Brodmann regarded the location of area 28 adjacent to the hippocampus as imprecisely represented in the illustration of the cortex of the guenon brain in Brodmann-1909. It is located on the medial aspect of the temporal lobe.

Distinctive features

The molecular layer (I) is unusually wide; the external granular layer (II) contains nests of, for the most part, multipolar cells: the external pyramidal layer (III) contains medium-sized pyramidal cells which merge with cells of the internal pyramidal layer (V); a clear cell free zone represents sublayer 5b of layer V; the multiform layer is wide and has a less clear two sublayer structure; the internal granular layer (IV) is totally absent.

References

Brodmann K. (November 2014). "Vergleichende Lokalisationslehre der Grosshirnrinde". Johann Ambrosius Barth.

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

brodmann-areas temporal-lobe medial-surface-of-cerebral-hemisphere

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