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sporoblast
sporoblast n. 
/ˈspɒrə(ʊ)blast/, /ˈspɔːrə(ʊ)blɑːst/, /ˈspɔːrə(ʊ)blast/,
Brit. /ˈspɒrə(ʊ)blɑːst/
, /ˈspɒrə(ʊ)blɑːst//ˈspɒrə(ʊ)blast//ˈspɔːrə(ʊ)blɑːst//ˈspɔːrə(ʊ)blast/U.S. /ˈspɔrəˌblæst/
/ˈspɔrəˌblæst/Π
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 860 The protoplasm..segments..into a number of nucleated sporoblasts.
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 860 The sporoblast assumes by degrees its definitive shape, elliptical and pointed at the ends.
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