Definition, Meaning & Synonyms

ectoderm

noun
/ˈɛk.tə.dɜrm/
Definition
Ectoderm is the outermost layer of cells or tissue during the development of an embryo.
Examples
  • The ectoderm forms the epidermis of the skin.
  • During embryonic development, the ectoderm differentiates into various tissues.
  • Neurons originate from the ectoderm of the embryo.
Meaning
It gives rise to the outer layer of the skin, as well as the nervous system and various other structures.
Synonyms
  • Outer layer
  • Epidermis
  • Exoderm