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sporogenesis
sporogenesis n. 
/ˌspɔːrə(ʊ)ˈdʒɛnᵻsɪs/,
Brit. /ˌspɒrə(ʊ)ˈdʒɛnᵻsɪs/
, /ˌspɒrə(ʊ)ˈdʒɛnᵻsɪs//ˌspɔːrə(ʊ)ˈdʒɛnᵻsɪs/U.S. /ˌspɔrəˈdʒɛnəsəs/
the formation of spores./ˌspɔrəˈdʒɛnəsəs/ΘΚΠ
the world > plants > part of plant > reproductive part(s) > spore or sporule > [noun] > formation of
sporogenesis1890
megasporogenesis1909
megagametogenesis1929
1890 Webster's Internat. Dict. Eng. Lang. Sporogenesis, reproduction by spores.
1905 Bot. Gaz. 40 93 The events of sporogenesis in Pallavincia Lyellii present..no fundamental differences from those of other liverworts and higher plants.
1969 A. M. Campbell Episomes xiv. 166 It was suggested..that activation of an episome might play a causative role in sporogenesis.
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