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FIG 1. Homotypical polar isocortex.
A, MRM image of the frontal pole.
B, Corresponding histologic section with Nissl stain. From superficial to deep, depending on the concentration of the cells, the myelin fiber connections, the corresponding variation in the signal intensity, and the individual layers of the cortex can be identified: I, the molecular layer; II, the external granular layer; III, the external pyramidal layer; IV, the internal granular layer; V, the internal pyramidal layer, which is subdivided into an outer layer, Va, and an inner layer, Vb; and VI, the multiform layer (magnification x8).
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