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・ Leptostylus spiculatus
・ Leptostylus subfurcatus
・ Leptostylus transversus
・ Leptostylus triangulifer
・ Leptostylus trigonus
・ Leptostylus viridescens
・ Leptostylus viriditinctus
・ Leptostylus x-griseus
・ Leptostylus xanthopygus
・ Leptostylus zonatus
・ Leptosuchomorpha
・ Leptosuchus
・ Leptosynanceia asteroblepa
・ Leptosynapta dolabrifera
・ Leptotarsus
Leptotene stage
・ Leptotes
・ Leptotes (butterfly)
・ Leptotes (orchid)
・ Leptotes adamsoni
・ Leptotes babaulti
・ Leptotes bicolor
・ Leptotes bohnkiana
・ Leptotes brevidentatus
・ Leptotes casca
・ Leptotes cassioides
・ Leptotes cassius
・ Leptotes harryphillipsii
・ Leptotes jeanneli
・ Leptotes marginalis


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Leptotene stage : ウィキペディア英語版
Leptotene stage
The leptotene stage, also known as the leptonema, is the first of five substages of prophase I in meiosis. The term ''leptonema'' derives from Greek words meaning "thin threads". A cell destined to become a gamete enters the leptotene stage after its chromosomes are duplicated during interphase. During the leptotene stage those duplicated chromosomes—each consisting of two sister chromatids—condense from diffuse chromatin into long, thin strands that are more visible within the cell plasme. The next stage of prophase I in meiosis is the zygotene stage.〔
During this stage, the chromosomes attach themselves by telomeres to the inner membrane of the nuclear envelope. Lateral (axial) elements of the synaptonemal complex are also formed.
== References ==


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「Leptotene stage」の詳細全文を読む



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