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Answer for the clue "The outer germ layer that develops into skin and nervous tissue ", 9 letters:
ectoblast

Word definitions for ectoblast in dictionaries

Wiktionary Word definitions in Wiktionary
n. (context dated biology English) the outer layer of the blastoderm; the ectoderm or epiblast

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Ectoblast \Ec"to*blast\, n. [Ecto- + Gr. ? bud, germ.] (Biol.) The outer layer of the blastoderm; the epiblast; the ectoderm. The outer envelope of a cell; the cell wall. --Agassiz. [1913 Webster] ||

WordNet Word definitions in WordNet
n. the outer germ layer that develops into skin and nervous tissue [syn: ectoderm , exoderm ]