cephalization

中文含义：头化现象。指某些动物进化中头部神经组织体积扩大的现象。

英语词性：noun

美式音标：/ˌsɛf(ə)laɪˈzeɪʃən/

同义词：cephalization index, cephalization coefficient

易混淆单词：cephalopod（头足类动物）

双语例句：

1. Cephalization, a trend in evolution toward concentration of nervous tissue and sensory organs in the head.

头化现象，在进化中的趋势是神经组织和感官器官向头部集中。

2. Cephalization has evolved many times independently in different phyla and is thought to be a response to the need for fast, directed movement through the environment.

头化现象在不同的门类中独立进化了许多次，被认为是对于在环境中需要快速有向的移动的需求的响应。

3. The cephalization index is commonly used to indicate the degree of cephalization in different animals.

头化指数常用于表示不同动物头部发达程度的指标。