planula ['plænjulə]

planula的基本解释

n.

[动]浮浪幼体

与planula相关的网络例句 [注：此内容来源于网络，仅供参考]

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。

In the adult, or medusa stage of a jellyfish, they can reproduce sexually by releasing sperm and eggs into the water, forming a planula.

在海蜇成体或水母体阶段，它们通过将精子和卵于释放到水中形成浮浪幼体而进行有性繁殖。

The giant jellyfish exhibit two types of reproduction, one is asexual reproduction, including fertilized eggs, planula, scyphistoma, podocyst, strobila and ephyra; the other is sexual reproduction, including medusa or jellyfish, typically solitary, pelagic.

大型水母的生活史中有明显的世代交替现象，受精卵，浮浪幼虫，螅状体，足囊，横裂体到碟状体的幼体发育阶段属无性世代，幼蜇发育到成蜇阶段属有性世代。

与planula相关的网络解释 [注：此内容来源于网络，仅供参考]

planula：浮浪幼体

另外有的把纽虫类(这一类有血管系和肛门,雌雄异体)包括在扁形动物中,把涡虫、吸虫、绦虫这三纲合并成为真扁虫亚门(Euplaathelminthes),把纽虫纲划为吻腔亚门(Rhynchocoela). 关于扁形动物起源问题,过去曾有栉水母起源说和浮浪幼体(Planula)起源说.

planula：实囊蚴

\\"跗垫,褥盘叶\\",\\"plantula\\" | \\"实囊蚴\\",\\"planula\\" | \\"斑\\",\\"plaque\\"

planula：实囊幼虫

扁囊胚 Placula | 实囊幼虫 Planula | 合血滋胚层 Plasmoditrophoblast

planula：实囊蚴;实囊幼虫

跗垫;褥盘叶 plantula | 实囊蚴;实囊幼虫 planula | 实囊动物 PLANULOIDEA

planula larva：浮浪幼体

浮冰群|pack ice | 浮浪幼体|planula larva | 浮力沉垫|buoyant mat