/lep"teuh teen'/, n. Cell Biol.
a stage of cell division during the prophase of meiosis, in which the chromosomes are not distinct but appear as a mass of entangled threads.
[ < F leptotène (1900); see LEPTO-, -TENE]

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Universalium. 2010.

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  • leptotene — leptotene. См. стадия тонких нитей. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • leptotène — ● leptotène adjectif (du grec teinein, tendre vers) Se dit du premier stade de la méiose, où les chromosomes se présentent sous la forme de longs filaments grêles …   Encyclopédie Universelle

  • leptotene — Early stage of prophase in meiosis in which the chromosomes contract and become visible as long filaments well separated from each other. SYN: leptonema. [lepto + G. tainia, band, tape] * * * lep·to·tene lep tə .tēn n a stage of meiotic prophase… …   Medical dictionary

  • leptotene — noun Etymology: International Scientific Vocabulary Date: 1912 a stage of meiotic prophase immediately preceding synapsis in which the chromosomes appear as fine discrete threads • leptotene adjective …   New Collegiate Dictionary

  • leptotene — n. [Gr. leptos, thin; tainia, ribbon] Early stage of prophase I in meiosis with chromosomes appearing as fine threads, although made up of two chromatids which are not apparent until the pachytene stage; see leptonema, pachynema …   Dictionary of invertebrate zoology

  • leptotene — Classical term for the first stage of prophase I of meiosis, during which the chromosomes condense and become visible …   Dictionary of molecular biology

  • leptotene — noun The first part of the prophase of meiosis, characterized by threadlike chromosomes …   Wiktionary

  • leptotene — lep·to·tè·ne s.m. TS biol. stadio iniziale della meiosi in cui i cromosomi si presentano in forma di filamenti sottili, allungati e non scissi nei due cromatidi {{line}} {{/line}} DATA: 1948. ETIMO: comp. di lepto e tene …   Dizionario italiano

  • leptotene — pl.m. leptoteni …   Dizionario dei sinonimi e contrari

  • leptotene — [ lɛptə(ʊ)ti:n] noun Biology the first stage of the prophase of meiosis, during which each chromosome becomes visible as two fine threads (chromatids). Origin early 20th cent.: from lepto + Gk tainia band, ribbon …   English new terms dictionary

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