- 1. n. The outer layer of the blastoderm; the epiblast; the ectoderm. Source: opted
- 2. n. The outer envelope of a cell; the cell wall. Source: opted
- 3. n. the outer germ layer that develops into skin and nervous tissue Source: wordnet
- 4. (a) The outer layer of the blastoderm; the epiblast; the ectoderm. (b) The outer envelope of a cell; the cell wall. Agassiz. Source: webster
- 5. n the outer germ layer that develops into skin and nervous tissue Source: ecdict
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ectoblast
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