
Cephalization - Wikipedia
Cephalization is an evolutionary trend in bilaterian animals in which, over a sufficient number of generations, special sense organs and nerve ganglia concentrate towards the front of the body, often …
Cephalization - Encyclopedia.com
Jun 27, 2018 · Cephalization is the process in animals by which nervous and sensory tissues become concentrated in the "head." The evolution of a head allows scientists to distinguish between the head …
Cephalization | Nervous System, Brain & Evolution | Britannica
Considered an evolutionary advance, cephalization is accompanied by a concentration of nervous tissue (cephalic ganglion or brain) and feeding mechanisms in the head region that serves to integrate the …
What Is Cephalization? Definition and Examples - ThoughtCo
Jan 28, 2020 · In zoology, cephalization is the evolutionary trend toward concentrating nervous tissue, the mouth, and sense organs toward the front end of an animal. Fully cephalized organisms have a …
Cephalization: Definition, Examples And Significance - Science ABC
Jun 2, 2024 · To put it simply, cephalization means having a head, which the vast majority of living animal species have, with some rare exceptions, such as starfish and jellyfish. The organization of …
What Is Cephalization in Biology and Why Does It Matter?
Aug 22, 2025 · Cephalization describes the evolutionary trend where nervous tissue and sensory organs concentrate at one end of an organism’s body, forming a distinct head region. This adaptation has …
Cephalization - an overview | ScienceDirect Topics
Cephalization refers to the concentration of nervous system elements involved in sensory activities and coordination of responses into an anterior head, which is strongly linked to behavior and typically …
What is cephalization in biology? - California Learning Resource …
Jul 2, 2025 · Cephalization, from the Greek ‘kephalē’ (head), describes the evolutionary trend towards concentrating sensory and neural organs at the anterior (front) end of an organism, forming a distinct …
CEPHALIZATION Definition & Meaning - Merriam-Webster
The meaning of CEPHALIZATION is a tendency in the evolution of organisms to concentrate the sensory and neural organs in an anterior head.
Cephalization Definition, Process & Advantages - Study.com
Cephalization is the evolutionary trend where the large concentration of neurons occurs at one end of the body in advanced animals, but the trend is always not the same.