Epiblast

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The outer layer of a blastula that, after gastrulation, becomes the ectoderm.

    "1993, Oded Khaner, 5: Axis Determination in the Avian Embryo, Roger A. Pederson, Current Topics in Developmental Biology, Volume 28, Academic Press, page 171, Hypoblasts from these stages were separated from the epiblasts and rotated 90 and 180°, relative to their posterior regions."

Synonyms

All synonyms
dermisepidermisprimitive ectoderm

Example

More examples

"1993, Oded Khaner, 5: Axis Determination in the Avian Embryo, Roger A. Pederson, Current Topics in Developmental Biology, Volume 28, Academic Press, page 171, Hypoblasts from these stages were separated from the epiblasts and rotated 90 and 180°, relative to their posterior regions."

Etymology

From epi- + -blast.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.