ectoblast
Americannoun
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Etymology
Origin of ectoblast
Example Sentences
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The former is often also called the ectoblast, or epiblast, and the latter the endoblast, or hypoblast.
From The Evolution of Man — Volume 1 by Ernst Heinrich Philipp August Haeckel
In the gastrula stage, the segmentation cavity in which the mesoblast is formed lies between the entoblast and ectoblast.
From The Gutenberg Webster's Unabridged Dictionary Section S by Project Gutenberg
This process goes on till all the cells are so filled by the mesoblast, with its myriad brood of cells, that the outer sac or ectoblast becomes a mere halo around it.
From The Atlantic Monthly, Volume 10, No. 61, November, 1862 by Various
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