cephalization

[ sef-uh-luh-zey-shuhn ]

noun

, Zoology.

1. a tendency in the development of animals to localization of important organs or parts in or near the head.

cephalization

/ ˌsɛfəlaɪˈzeɪʃən /

noun

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

Word History and Origins

Origin of cephalization¹

First recorded in 1860–65; cephal- + -ization