adj \-ˈtäp-ik\

Definition of SOMATOTOPIC

: of, relating to, or mediating the orderly and specific relation between particular body regions (as a hand or the tongue) and corresponding motor areas of the brain <the somatotopic arrangement within the thalamus>
so·ma·to·top·i·cal·ly \-i-k(ə-)lē\ adverb

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