Brodmann area 26

Information about Brodmann area 26

Human

In the human this area is called ectosplenial area 26. It is a cytoarchitecturally defined portion of the retrosplenial region of the cerebral cortex. It is a narrow band located in the isthmus of cingulate gyrus adjacent to the fasciolar gyrus internally. It is bounded externally by the granular retrolimbic area 29 (Brodmann-1909).

Guenon

In the guenon Brodmann area 26 is a subdivision of the cerebral cortex defined on the basis of cytoarchitecture. The smallest of Brodmann's cortical areas in the monkey, it represents cortex that is less differentiated and relatively smaller in monkey and human than in other species. Brodmann regarded it as topographically and cytoarchitecturally homologous to the combined human ectosplenial area 26, granular retrolimbic area 29 and agranular retrolimbic area 30 (Brodmann-1909). Distinctive features (Brodmann-1905): thin cortex; distinct but narrow layers.

External links

  • For Neuroanatomy of Brodmann area 26 visit BrainInfo

See also

Cytoarchitecture is the cellular composition of a bodily structure.

In biology, it refers to the arrangement of cells in a tissue, and in neuroscience it refers specifically to the arrangement of neuron somas (cell bodies) in the cerebral cortex.
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The retrosplenial region is a brain area part of the cingular cortex. It is defined by the Brodmann area 29 and the Brodmann area 26. Please refer to these area for more details.
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cerebral cortex is a structure within the vertebrate brain with distinct structural and functional properties. In non-living, preserved brains, the outermost layers of the cerebrum has a grey color, hence the name "grey matter".
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Brodmann area 29, also known as granular retrolimbic area 29, is a cytoarchitecturally defined portion of the retrosplenial region of the cerebral cortex. In the human it is a narrow band located in the isthmus of cingulate gyrus.
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Cercopithecus
Linnaeus, 1758

Type species
Simia diana
Linnaeus, 1758

Species

See text.

The guenons are the genus Cercopithecus of Old World monkeys.
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In evolutionary biology, homology is any similarity between characters that is due to their shared ancestry. There are examples in different branches of biology. Anatomical structures that perform the same function in different biological species and evolved from the same structure
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Brodmann area 29, also known as granular retrolimbic area 29, is a cytoarchitecturally defined portion of the retrosplenial region of the cerebral cortex. In the human it is a narrow band located in the isthmus of cingulate gyrus.
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Brodmann area 30, also known as agranular retrolimbic area 30, is a subdivision of the cytoarchitecturally defined retrosplenial region of the cerebral cortex. In the human it is located in the isthmus of cingulate gyrus.
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Brodmann area is a region in the brain cortex defined in many different species based on its cytoarchitecture. Cytoarchitecture is the organization of the cortex as observed when a tissue is stained for nerve cells.
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Brain (neural tube)

Rhombencephalon (hindbrain)

Myelencephalon

  • medulla oblongata
  • medullary pyramids

Metencephalon

  • pons

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