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nounthe outer germ layer that develops into skin and nervous tissuetype of:
Definition that contains ectoderm
- ectodermal of or relating to the ectoderm
- ectodermic of or relating to the ectoderm
- neural tube a tube of ectodermal tissue in the embryo from which the brain and spinal cord develop
- gastrula double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm