- leptotène
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● 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. 2012.
leptotène
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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.
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 — /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] * * * … Universalium
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
