| 释义 |
〔veliger〕A larval stage of a mollusk characterized by the presence of a velum.面盘幼体,缘膜幼体:以出现缘膜为特征的软体动物的幼虫期〔urodele〕Any of various amphibians of the order Caudata, including the salamanders and newts, in which the larval tail persists in adult life.有尾目两栖动物:一种有尾目的两栖动物,包括蝾螈和水螈,特征为幼虫期的尾巴,在成年期仍旧存在〔sporocyst〕A saclike larval stage in many trematode worms.幼虫期:一种许多吸虫都有的液状幼虫阶段 |