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blastoderm
blas·to·derm [ blástə dùrm ] (plural blas·to·derms)


noun 
Definition:
 
cells from division of egg: a layer of cells arising from the repeated division of a fertilized mammalian egg that develops into an embryo
[Mid-19th century. <blasto- + Greek derma "skin"]

blas·to·der·mat·ic [ blàstədər máttik ] adjective
blas·to·der·mic [ blàstə dúrmik ] adjective
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