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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

Related forms

ep·i·blas·tic, adjective

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Epiblast is always a great word to know.

So is doohickey. Does it mean:

a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.

a gadget; dingus; thingumbob.

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Collins

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*

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage

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.

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Related Words

ectoblast

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