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Medical Definition of Koniocortex
1. Regions of the cerebal cortex characterised by a particularly well developed inner granular layer (layer 4); this type of cerebral cortex is represented by the primary sensory area 17 of the visual cortex, areas 1 to 3 of the somatic sensory cortex, and area 41 of the auditory cortex. See: cerebral cortex. Origin: G. Konis, dust, + L. Cortex, bark (05 Mar 2000)