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An evolutionary trend in the animal kingdom toward centralization of neural and sensory organs in the head or anterior region of the body.


(ˌsɛfəlaɪˈzeɪʃən) or


(Zoology) (in the evolution of animals) development of a head by the concentration of feeding and sensory organs and nervous tissue at the anterior end


(ˌsɛf ə ləˈzeɪ ʃən)

a tendency in animal evolution to localization of important organs or parts in or near the head.
References in periodicals archive ?
If we can safely assert that artistic/literary/musical production has congregated in historical and modern urban centers, we can deduce that it is partly as a result of the inevitable geographies of cultural cephalization.
Cephalization, interstitial oedema, and alveolar oedema are highly specific (96 to 99%) but insensitive (6 to 41%) markers of acute heart failure (27).
Moreover, from an evolutionary perspective, the thickening of the neural tube is evidence of the cephalization of both the sense organs and integrative centers that has occurred in vertebrates.
A plain chest radiograph revealed a tortuous aorta, moderate cardiomegaly with left ventricular predominance and cephalization of the pulmonary vasculature without overt congestive changes.