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- invaginate planula [医] 原肠胚
- Fertilization is external, producing free-living planula larva. 体外受精，能产生自由活动的浮浪幼虫。
- Which in turn stimulates the cell to invaginate and take in the bacteria. 内陷吞噬细菌。
- 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。
- 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。
- 7.Fertilization is external, producing free-living planula larva. 体外受精，能产生自由活动的浮浪幼虫。
- TCP/IP protocol which is used in the network .Some invaginate is essential and ICMP is the important among them ,so we introduce them relatively; TCP/IP协议，系统主要用到的网络协议，对一些必须的套接字做了介绍，其中ICMP是重要的地方，因此对其介绍的比较详细；
- planulan. [动]浮浪幼体
- invaginatev. 收进鞘中;套进内部
- invaginate tooth 牙中牙
