Here's a blastoderm sheet under stress as it is exposed to 3% ethanol.
From the scienceblogs.com
These blastoderm sheets are a kind of cellular testbed for quick assays of the effects of teratogens on embryonic tissues.
From the scienceblogs.com
The blastoderm is composed of two layers, the epiblast and the hypoblast, which enclose the fluid-filled blastocoel cavity.
From the en.wikipedia.org
Using a 40x objective, we zoom in on a patch of cells near the surface of a 4-hour-old embryo-this is a generic tissue called the blastoderm.
From the scienceblogs.com
In the model organism Drosophila, pole cells passively move from the posterior end of the embryo to the posterior midgut because of the infolding of the blastoderm.