ectoblast Meaning, Definition & Usage

  1. noun the outer germ layer that develops into skin and nervous tissue
    exoderm; ectoderm.

WordNet

Ec"to*blast noun
Etymology
Ecto- + Gr. bud, germ.
Definitions
  1. (Biol.) (a) The outer layer of the blastoderm; the epiblast; the ectoderm. (b) The outer envelope of a cell; the cell wall. Agassiz.

Webster 1913