- Brodmann area 13
Brodmann area 13 is a subdivision of the
cerebral cortexas defined on the guenonmonkey and on the basis of cytoarchitecture. Along with Brodmann area 14and 15, Brodmann area 13 is found only in primates and no equivalent structure exists in humans.
Located in the
posteriorof the insular cortex, Brodmann area 13 shares with other parts of the insular cortexa wide molecular layer (I) and very wide multiform layer (VI).
granular layer(II) is relatively dense. The external pyramidal layer(III) has a central stripe of less cellular density that separates two sublayers, IIIa and IIIb. The internal granular layer (IV) is sufficiently wide and dense to separate clearly sublayer IIIb from layer V. The boundary between layers V and VI is defined by larger ganglion cells, more pyramidal in shape, in layer V giving way to smaller, more spindle-shaped cells that become denser and more homogeneous deeper in layer VI. Often the spindle cells are arrayed horizontally as in the claustrum(VICl), which Brodmann considered a likely extension of layer VI beyond the extreme capsule (VICe) (Brodmann-1905).
List of regions in the human brain
* [http://braininfo.rprc.washington.edu/Scripts/ancilcentraldirectory.aspx?ID=-379923166 BrainInfo - Brodmann Area 13]
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