Definition of somatoblast
1a : a cleavage cell of an annelid worm that is the precursor of most of the trunk ectoderm, the nervous system, and the nephridia b : cleavage cells descended from the primary somatoblast cell of an annelid
2 : the outer layer of cells of the nematogen of a dicyemid mesozoan
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Origin and Etymology of somatoblast
somat- + -blast
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