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・ Macroctopus
・ Macroctopus maorum
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Macrocyst
・ Macrocystidia
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・ Macrodactyla doreensis
・ Macrodactylus subspinosus
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Macrocyst : ウィキペディア英語版
Macrocyst

A macrocyst is an aggregate of cells of Dictyosteliida formed during sexual reproduction enclosed in a cellulose wall.
If two amoebae of different mating types are present in a dark and wet environment, they can fuse during aggregation to form a giant cell. The giant cell will then engulf the other cells in the aggregate and encase the whole aggregate in a thick, cellulose wall to protect it. This is known as a macrocyst. Inside the macrocyst, the giant cell divides first through meiosis, then through mitosis to produce many haploid amoebae that will be released to feed as normal amoebae would.
== See also ==

* Life cycle and reproduction of Dictyostelium discoideum

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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