| 单词 | spongioblast | 
| 释义 | spongioblast(ˈspʌndʒɪəʊˌblɑːst) noun any of numerous columnar epithelial cells in the brain and spinal cord that develop into neuroglia  Derived forms spongioblastic (ˌspʌndʒɪəʊˈblæstɪk) adjective Word origin C20: from Greek spongia sponge + -blast | 
	
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