Definition of Cephalization

1. 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.

Definition of Cephalization

1. Noun. (biology) An evolutionary trend in which the neural and sense organs become centralized at one end (the head) of an animal ¹

¹ Source:

Definition of Cephalization

1. [n -S]

Medical Definition of Cephalization

1. 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. (05 Mar 2000)

Lexicographical Neighbors of Cephalization

cephalic fins
cephalic flexure
cephalic index
cephalic pole
cephalic presentation
cephalic reflexes
cephalic tetanus
cephalic triangle
cephalic vein
cephalic version
cephalization (current term)
cephalo-oculocutaneous telangiectasia
cephalo-orbital index
cephalocaudal axis
cephalocaudal trend

Literary usage of Cephalization

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Origin and Development of the Nervous System: From a Physiological Viewpoint by Charles Manning Child (1921)
"The term "cephalization" refers to one particular aspect of centralization, ... Morphological centralization and cephalization in any particular case are at ..."

2. The Life of James Dwight Dana: Scientific Explorer, Mineralogist, Geologist by Daniel Coit Gilman (1899)
"... Joseph Le Conte's Estimate of Dana as a Geologist—Corals, cephalization, and Volcanism—Development of the Earth as a Unit— Continental Ice-Sheet. ..."

3. Evolution: Its Nature, Its Evidences, and Its Relation to Religious Thought by Joseph LeConte (1891)
"This whole process may be called cephalization. ... All psychical advance is a cephalization—ie, an increasing dominance of the higher over the lower and of ..."

4. The Elementary Principles of General Biology by James Francis Abbott (1914)
"... a cephalization or " head-specialization." Sensory organs in the beginning were probably diffusely scattered over the body as they are now in the ..."

5. Edinburgh New Philosophical Journal, Exhibiting a View of the Progressive by Robert Jameson, Sir William Jardine, Henry D Rogers (1864)
"The Classification of Animals based on the Principle of cephalization. No. I. By JAMES D. DANA. Communicated by the Author. ..."

6. The Edinburgh New Philosophical Journal (1864)
"The Classification of Animals based on the Principle of cephalization. No. I. By JAMES D. DANA. Communicated by the Author. ..."

7. Manual of Geology: Treating of the Principles of the Science with Special by James Dwight Dana (1880)
"In Man's structure, we see the last limit to which the law of cephalization can carry the system of life. The distinction is well illustrated in the grades ..."

Other Resources:

Search for Cephalization on!Search for Cephalization on!Search for Cephalization on Google!Search for Cephalization on Wikipedia!