1. Plural of epiblast; the outer layer of cells in an early embryo that gives rise to the ectoderm and other structures.
Usage: technical; biology; embryology

Examples

• During early embryonic development, epiblasts differentiate into various tissue types.
• The epiblasts form the outer germ layer in vertebrate embryos.
• Researchers studied how epiblasts migrate during gastrulation.
• Mutations affecting epiblasts can lead to developmental abnormalities.
• The epiblasts eventually give rise to the nervous system and skin.