Definition of periblast in English:

periblast

noun

Biology
  • Embryology. An acellular layer of protoplasm lying between the blastomere and the yolk of a meroblastic egg.

Origin

Mid 19th century (in an earlier sense). From peri- + -blast.

Pronunciation

periblast

/ˈpɛrɪblɑːst//ˈpɛrɪblast/