trochophore
/ˈtrɒkəfɔː(r)/noun
- Zoology the planktonic larva of certain invertebrates, including some molluscs and polychaete worms, having a roughly spherical body, a band of cilia, and a spinning motion【动】担轮幼虫。
词源
late 19th cent.: from Greek trokhos 'wheel' + -PHORE.