Noun: cephalization ,se-fu-lu'zey-shun [N. Amer], ,se-fu-lI'zey-shun [Brit]
- (biology) the evolutionary trend towards concentration of sensory and neural organs in the head of animals
"Cephalization is evident in the complex brains of vertebrates";
- cephalisation [Brit]
Derived forms: cephalizations
Encyclopedia: Cephalization