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Subdivision of the cerebral cortex From Wikipedia, the free encyclopedia
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 (Brodmann-1909).
 | This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (April 2009) |
| Brodmann area 28 | |
|---|---|
| |
 Medial surface of the brain with Brodmann's areas numbered. | |
| Details | |
| Identifiers | |
| Latin | area entorhinalis ventralis |
| NeuroNames | 1030 |
| NeuroLex ID | birnlex_2709 |
| FMA | 68625 |
| Anatomical terms of neuroanatomy | |
In humans, Brodmann area 28, and Brodmann area 34 together constitute approximately the entorhinal cortex (Brodmann-1909).
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.
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.
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