A-A+

planula

音标与读法

这里为大家介绍下planula 是什么意思,希望能帮助到各位朋友。

中英文翻译

n.

(pl. -ulae ) 【动物;动物学】浮浪幼体。

adj.

-uloid

the flat ciliated free-swimming larva of hydrozoan coelenterates

A planula is the free-swimming, flattened, ciliated, bilaterally symmetric larval form of various cnidarian species. The planula forms from the fertilized egg of a medusa, as the case in scyphozoans and some hydrozoans, or from a polyp, as in the case of anthozoans.

例句与用法

1.In this larval stage of jellyfish life , the planula hooks on to the bottom of a smooth rock or other structure and grows into another stage of jellyfish life , the polyp , which resembles a miniature sea anemone

在海蜇生活的幼体阶段,浮浪幼体吊挂在光滑岩石或其他构筑物的底部并长成海蜇生活的另一个阶段? ?珊瑚虫,它很像一个微缩的海葵。

单词网danci.583316.Com

Copyright © 58单词网 583316.Com.  SiteMap.  

分享到: