|
Medical Definition of Somatotopy
1. The topographic association of positional relationships of receptors in the body via respective nerve fibres to their terminal distribution in specific functional areas of the cerebral cortex; the continuation of these positional relationships in all stages of the ascent of nerve fibres through the central nervous system enables the brain and spinal cord to function on a basis of spatially designated units. Origin: somato-+ G. Topos, place (05 Mar 2000)