Brodmann area 29
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|Brodmann area 29|
Medial surface of the brain with Brodmann's areas numbered.
|Latin||Area retrosplenialis granularis|
|NeuroLex ID||Brodmann area 29|
|Anatomical terms of neuroanatomy|
Brodmann area 29, also known as granular retrolimbic area 29 or granular retrosplenial cortex, 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. Cytoarchitecturally it is bounded internally by the ectosplenial area 26 and externally by the agranular retrolimbic area 30 (Brodmann-1909).
Brodmann has this to say about area 29, amongst his other comments on it:
" An unusual regression of layer II together with layer III in found in the __granular retrosplenial cortex, illustrated in Figures 38 to 41 for four different animals. Here, in addition to the regression of layers II and III, there is fusion of the original layers V and VI and at the same time an isolated massive increase of the inner granular layer, that is particularly prominent in Figures 38 and 39;..."
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