Hu 〕 by a call of the coelenterate coral exoskeleton made together.

◎〔～瑚〕由一种叫珊瑚虫的腔肠动物的外骨骼聚集而成.

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The outermost layer of cuticle of an arthropod exoskeleton, composed mostly of wax.

主要为水生的节肢动物,通常身体分节并有壳质的外骨骼.

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An epidermal layer of cells that secretes an overlying chitinous cuticle, as in arthropods.

一种坚硬的半透明角质物质, 节肢动物外骨骼和某些真菌类细胞壁的主要成分.

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Their hard outer shell, called the exoskeleton, does not grow with crawfish and is shed periodically.

它们坚硬的外壳, 叫做外骨骼, 不会随着小龙虾的成长而生长,而会周期性蜕落.

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