cephalization
Related Words
brainheadneuronganglionnervous systemevolutionbilateral symmetrybilateriacephalopodvertebrateinvertebrateanatomymorphologysensory organeyenoseearmouthcraniumskullencephaloncerebrumcerebellummedullaponsmidbrainforebrainhindbrainsynapseaxondendritegliacentral nervous systemperipheral nervous systemnervegangliacephalicanteriorposteriordorsalventralsymmetryadaptationphylogenytaxonomyzoologybiologyembryologydevelopmentdifferentiationspecializationconcentrationlocalizationintelligencecognitionperceptionreflexstimulusresponse