A brain atlas is composed of serial sections along different anatomical planes of the healthy or diseased developing or adult animal or human brain where each relevant brain structure is assigned a number of coordinates to define its outline or volume. Brain atlases are contiguous, comprehensive results of visual brain mapping and may include anatomical, genetic or functional features 1).
In most atlases, the three dimensions are latero-lateral (x), dorso-ventral (y) and rostro-caudal (z). The possible sections are
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2).