noun so·ma·to·blast \ˈsōmətəˌblast\

Definition of somatoblast

  1. 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. 2 :  the outer layer of cells of the nematogen of a dicyemid mesozoan

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Origin and Etymology of somatoblast

somat- + -blast

Seen and Heard

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to cast off or become cast off

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