Medical Dictionary
spongioblast
noun spon·gi·o·blast \ˈspən-jē-ō-ˌblast, ˈspän-\
Medical Definition of SPONGIOBLAST
: any of the ectodermal cells of the embryonic spinal cord or other nerve center that are at first columnar but become branched at one end and that give rise to the glial cells
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