Standard Lemma guide

epiblast

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Topics: biology, embryology, medicine, natural-sciences, sciences

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.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From epi- + -blast.

Across languages

Translations

6 source translations are retained for this English entry.

  • Irish: eipeablast — biology: the outer layer of a blastula that, after gastrulation, becomes the ectoderm
  • Italian: epiblasto — biology: the outer layer of a blastula that, after gastrulation, becomes the ectoderm
  • Japanese: 胚盤葉上層 (haiban'yō jōsō) — biology: the outer layer of a blastula that, after gastrulation, becomes the ectoderm
  • Portuguese: epiblasto — biology: the outer layer of a blastula that, after gastrulation, becomes the ectoderm
  • Spanish: epiblasto — biology: the outer layer of a blastula that, after gastrulation, becomes the ectoderm
  • Tagalog: muldaluyan — biology: the outer layer of a blastula that, after gastrulation, becomes the ectoderm