Definition of blastocyst in English:


Line breaks: blasto|cyst
Pronunciation: /ˈblastə(ʊ)sɪst


  • A mammalian blastula in which some differentiation of cells has occurred.
    More example sentences
    • Many scientists believe blastocysts - stem cells taken from days-old embryos - have much greater potential.
    • The fundamental question concerns the nature of the blastocyst from which stem cells are derived.
    • Adult stem cells were injected into a mouse blastocyst, an early embryonic stage of a mouse.

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Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
(in science fiction) navigation in outer space