| ̷ ̷ ̷ ̷ ̷ ̷|täpik adjective
also so·ma·to·top·i·cal -pə̇kəl
Etymology: somat- + top- + -ic or -ical
: 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