area 5 of Brodmann (guenon)
Acronym: 5
The term area 5 of Brodmann (guenon) refers to a subdivision of the parietal lobe of the guenon defined on the basis of cytoarchitecture. It occupies primarily the superior parietal lobule. Brodmann-1909 considered it topologically and cytoarchitecturally homologous to area 5 of Brodmann (human).
     Distinctive features ( Brodmann-1905 ): compared to area 4 of Brodmann (guenon) area 5 has a thick self-contained internal granular layer (IV); lacks a distinct internal pyramidal layer (V); has a marked sublayer 3b of pyramidal cells in the external pyramidal layer (III); has a distinct boundary between the internal pyramidal layer (V) and the multiform layer (VI); and has ganglion cells in layer V beneath its boundary with layer IV that are separated from layer VI by a wide clear zone.

Also known as: Brodmann's area 5


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