| 单词 | blastula |
| 释义 | Word Frequency blastula(ˈblæstjʊlə) nounWord forms: plural -las or -lae (-liː) an early form of an animal embryo that develops from a morula, consisting of a sphere of cells with a central cavity Also called: blastosphereDerived forms blastular (ˈblastular) adjective Word origin C19: New Latin; see blasto- |
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