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''Spirocystis'' is a genus of parasitic protozoa in the phylum Apicomplexa. The genus was described in 1911 by Léger and Duboscq.〔Leger L & Duboscq O (1915) Etude sur ''Spirocystes nidula'' Leg. et Dub. schizogregarine du ''Lumbriculus variegatus'' Mull. Archiv fur Protistenkunde 35: 199-211〕 The family ''Spirocystidae'' was created in 1915 by Leger & Duboscq in 1915 for this genus.〔Leger L & Duboscq O (1915) Etude sur ''Spirocystes nidula'' Leg. et Dub. schizogregarine du ''Lumbriculus variegatus'' Mull. Archiv fur Protistenkunde 35: 199-211〕 ==Description== Species in this genus infect the blackworm (''Lumbriculus variegatus''). The asexual forms, cresentic or spiral shaped, may be found in virtually any tissue of the host. The multinucleate vermicular meronts are ~35 µm in length and occur in the coelomic cavity and various tissues of the host. The microgametocytes and macrogametes form in the intestinal epithelium. The microgametes are non-flagellated. The zygote produces a thick walled oocysts ~35 µm in diameter. The sporoblasts give rise to a single naked sporozoite with a length of up to 40 µm. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Spirocystis」の詳細全文を読む スポンサード リンク
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