单词 | planoblast |
释义 | planoblast Zool.|ˈplænəʊblæst| [f. plano-2 + Gr. βλαστ-ός sprout, shoot.] The free-swimming generative bud or gonophore of certain Hydrozoa, usually a craspedote medusa or medusoid. Hence planoˈblastic a., of or pertaining to a planoblast.
1871Allman Monogr. Gymnoblastic Hydroids I. Introd. 15 Planoblast... A generative bud with a structure fitting it for a free locomotive life when detached from the hydrosome. Ibid., Umbrella, the gelatinous bell of a medusiform planoblast. |

英语词典包含277258条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
相关内容11:
相关热词搜索:planoblast英英词典英英释义英语词汇意思用法释义英语