epiblast

epiblast

[ep-uh-blast]
noun Embryology.
the primordial outer layer of a young embryo before the segregation of the germ layers, capable of becoming the ectoderm and containing cells capable of becoming the mesoderm and endoderm.

Origin:
1865–70; epi- + -blast

epiblastic, adjective
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World English Dictionary
epiblast (ˈɛpɪˌblæst)
 
n
embryol Also called: ectoblast the outermost layer of an embryo, which becomes the ectoderm at gastrulation
 
epi'blastic
 
adj

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Medical Dictionary

epiblast ep·i·blast (ěp'ə-blāst')
n.
The outer layer of a blastula that gives rise to the ectoderm after gastrulation.


ep'i·blast'ic adj.
The American Heritage® Stedman's Medical Dictionary
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