- cephalization
- cephalization (Amer.) n. (Zoology) tendency in the animal kingdom of vital organs to be located in or near the head (also cephalisation)
English contemporary dictionary. 2014.
English contemporary dictionary. 2014.
Cephalization — is considered an evolutionary trend,[1] whereby nervous tissue, over many generations, becomes concentrated toward one end of an organism. This process eventually produces a head region with sensory organs.[2] Cephalization is intrinsically… … Wikipedia
Cephalization — Ceph a*li*za tion, n. Domination of the head in animal life as expressed in the physical structure; localization of important organs or parts in or near the head, in animal development. Dana. [1913 Webster] … The Collaborative International Dictionary of English
cephalization — 1864, coined by U.S. zoologist James D. Dana (1813 1895) from Gk. kephale head on model of specialization, etc … Etymology dictionary
cephalization — [sef΄ə li zā′shən] n. [ CEPHAL(O) + IZATION] the tendency in the evolution of animal life for sensory organs, the nervous system, etc. to become centralized in or near the head … English World dictionary
cephalization — /sef euh leuh zay sheuhn/, n. Zool. a tendency in the development of animals to localization of important organs or parts in or near the head. [1860 65; CEPHAL + IZATION] * * * ▪ biology the differentiation of the anterior (front) end of an … Universalium
cephalization — ˌsefələ̇ˈzāshən, ˌlīˈz noun ( s) Etymology: cephal + ize + ation 1. : specialization of the anterior part of the animal body resulting in localization and concentration of sensory and neural organs in an anterior head 2. : the tendency to… … Useful english dictionary
cephalization — noun Date: 1864 a tendency in the evolution of organisms to concentrate the sensory and neural organs in an anterior head … New Collegiate Dictionary
cephalization — n. [Gr. kephale, head] The process by which the highest degree of specialization became localized in the anterior end, or in the head, in animal development … Dictionary of invertebrate zoology
cephalization — noun An evolutionary trend in which the neural and sense organs become centralized at one end (the head) of an animal See Also: telencephalization … Wiktionary
cephalization — 1. Evolutionary tendency for important functions of the nervous system to move forward in the brain. 2. Initiation and concentration of the growth tendency at the anterior end of the embryo. * * * ceph·a·li·za·tion or Brit ceph·a·li·sa·tion .sef… … Medical dictionary