The somite forms the myotome, sclerotome and perhaps dermatome.
体形成肌、骨和或皮。
7 The strobila of cestodes consists of a chain of segments (proglottids) budded off from the neck region.
绦虫的裂区由颈部出芽殖的体()组成。
In the embryo an undifferentiated mesodermal component of an early trunk or tail segment or metamere, derived from paraxial mesoderm.
在胚胎时,一个无法区别的中胚层组成一个早期躯干、或尾部段或体,衍自轴旁的中胚层。
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Like these two animals, its body is made up of a number of rings.
和一样,螃蟹身体也是多体节组成。
Its body and it's tail are made of many smaller rings, all joined together.
身体和尾巴, 是多小体节连在一起构成。
It has a large head, made of what looks like one big ring of hard skin.
大, 看上去就像甲壳一个大“体节”。
And metanephridia will have a nephrostome on onside of a segment.
后肾管在体节一侧具有肾口。
But in the shell of the grown-up crab these rings are so close together that we cannot tell one ring from another.
但是成年螃蟹甲壳,体节彼此挨得太近,没办法分清了。
We see that its body is divided into three parts, and that each part is made of a number of rings joined to one another.
我们看见,它身体分成三部分,每个部分都是几个体节连在一起构成。
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