Blastoderm

//ˈblæstəˌdɚm// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The germination point in an ovum from which the embryo develops.
  2. 2
    a layer of cells on the inside of the blastula wordnet

Etymology

From blasto- (“germ”) + -derm (“skin”).

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