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anterior end

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anterior end

anterior end

anterior end

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...池水及水藻,涡虫 (Planaria) 横(1) 前端(Anterior end),后端(Posterior),

1

The nucleus fastigii was situated to the middle line at the anterior end of the superior vermis , and over the roof of the fourth ventricle.

顶核最靠内侧，紧邻第四脑室顶的外侧和上蚓前部的内侧面，在中线两侧对称分布；

2

A caplike structure AT the anterior end of a spermATozoon thAT produces enzymes aiding in egg penetrATion.

精子头粒蛋白一种在精子内前端的帽状结构，可产生帮助穿透卵子的酶

3

In vertebrates the anterior end of the nerve cord expand to form a brain .

脊椎动物神经的前面扩大形成脑。

4

The pump body consists of pump housing, anterior end cover, rear end cover, anterior impeller, rear impeller, and permanent magnet as rotor.

泵体包括泵壳、前端盖、后端盖、前导叶、后导叶和转子，转子为永磁体；

5

The mouth cavity at the anterior end of the alimentary canal .

位于消化道前端开口的空腔。

6

There is a special marked fold on the anterior end that relates to the development of digestive system, hereditary, and other factors .

有特殊折叠，折起的形成可能与消化系统发达、遗传发育等因素有关。

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