pachytene
noun Etymology: International Scientific Vocabulary pachy- (from Greek pachys) + -tene Date: 1912 the stage of meiotic prophase that immediately follows the zygotene and that is characterized by paired chromosomes thickened and visibly divided into chromatids and by the occurrence of crossing-over • pachytene adjective

New Collegiate Dictionary. 2001.

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  • pachytène — ● pachytène adjectif Stade pachytène, le troisième stade de la prophase de la première mitose réductionnelle, caractérisé par le raccourcissement et l épaississement des chromosomes. ● pachytène (expressions) adjectif Stade pachytène, le… …   Encyclopédie Universelle

  • pachytene — n. (Biol.) The third stage of the prophase of meiosis, the stage in which the pairing of homologous chromosomes has been completed. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • pachytene — pachytene. См. стадия толстых 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.

  • pachytene — /pak i teen/, n. Cell Biol. the third stage of prophase in meiosis, during which each chromosome pair separates into sister chromatids with some breakage and crossing over of genes. Also, pachynema /pak euh nee meuh/. [ < F pachytène (1900),… …   Universalium

  • pachytene — The stage of prophase in meiosis in which pairing of homologous chromosomes is complete and the paired homologues may twine about each other as they continue to shorten; longitudinal cleavage occurs in each chromosome to form two sister… …   Medical dictionary

  • pachytene — pach•y•tene [[t]ˈpæk ɪ tin[/t]] n. gen cbl the third stage of prophase in meiosis, during which each chromosome pair separates into sister chromatids with some breakage and crossing over of genes • Etymology: < F pachytène (1900) = Gk pachý(s) …   From formal English to slang

  • pachytene — pachinema statusas T sritis augalininkystė apibrėžtis Mejozės pirmos profazės stadija, kurios metu poromis susijungusios homologinės chromosomos toliau trumpėja ir storėja. atitikmenys: angl. pachynema; pachytene rus. пахинема; пахитена ryšiai:… …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • pachytene — n. [Gr. pachys, thick; tainia, ribbon] A prophase I stage in meiosis in which the chromosomes are thickened and paired and crossing over occurs; see pachynema …   Dictionary of invertebrate zoology

  • pachytene — Classical term for the third stage of prophase I of meiosis, during which the homologous chromosomes are closely paired and crossing over takes place …   Dictionary of molecular biology

  • pachytene — noun The third prophase of meiosis, during which the chromosomes shorten and divide into four chromatids …   Wiktionary

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