Embryonic Structure
epiblast

ep·i·blast [ ep-uh-blast ]
Definitions related to epiblast:
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The external or dorsal epithelial layer of the bilaminar blastoderm, derived from the inner cell mass of the embryoblast during the second week of gestation.NCI ThesaurusU.S. National Cancer Institute, 2021
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The outer germ layer of a BLASTOCYST or BLASTULA, precursor of ectoderm and mesoderm.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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