embryonic : Idioms & Phrases
Index
Embryonic sac ∨ vesicle
(Bot.) , the vesicle within which the embryo is developed in the ovule; sometimes called alsoamnios sac , andembryonal sac .
Webster 1913
embryonic cell
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noun a cell of an embryo
formative cell.
WordNet
embryonic membrane
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noun the inner membrane of embryos in higher vertebrates (especially when covering the head at birth)
veil; caul.
WordNet
embryonic stem-cell research
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noun biological research on stem cells derived from embryos and on their use in medicine
WordNet
embryonic tissue
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noun tissue in an embryo