epiblast
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 of epiblast
1Other words from epiblast
- ep·i·blas·tic, adjective
Words Nearby epiblast
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use epiblast in a sentence
The cells of the epiblast, up to the thirteenth hour, have chiefly undergone change in becoming smaller.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland BalfourThe epiblast spreads rapidly over the white yolk, and the area pellucida also increases in size.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland BalfourThere is considerable variation in size in the cells in different parts of the epiblast.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland BalfourAt the sides of the head the cells are larger than anywhere else in the epiblast, being here about 1/1000th inch in diameter.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland BalfourThe mesoblast cells are in contact with both hypoblast and epiblast, and appear to be fused with the latter.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
British Dictionary definitions for epiblast
/ (ˈɛpɪˌblæst) /
embryol the outermost layer of an embryo, which becomes the ectoderm at gastrulation: Also called: ectoblast
Derived forms of epiblast
- epiblastic, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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