Meaning & use
Blastoderm
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In embryology, the layer of cells that forms from the repeated division of a fertilized egg, from which the embryo subsequently develops.
See it in a sentence
By the early stages of incubation, the chick embryo's blastoderm had already begun to differentiate into distinct cell layers.
Researchers studied how signaling molecules pattern the blastoderm during the earliest stages of development.
A note on using this word
The word combines the Greek 'blastos' (germ or sprout) with 'derma' (skin), reflecting its role as the thin, skin-like founding layer of the embryo.
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