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Any of the cells resulting from the cleavage of a fertilized ovum during early embryonic development.

blas′to·mer′ic (-mîr′ĭk, -mĕr′-) adj.
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Adj.1.blastomeric - of or relating to a blastomereblastomeric - of or relating to a blastomere  
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Fluorescence staining for assessment of blastomeric fragmentation
For assessment of blastomeric fragmentation, 2 to 4 cell and 5 to 8 cell embryos on Day 2 of in vitro culture were separately stained with Hoechst 33342 and embryos having no nucleus in one or more blastomere were identified as fragmented (Wang et al.
The company's product line includes packaging and sealing devices, battery separator sheets, blastomeric, gaskets and woven and non-woven fabrics.