pachytene

pachytene
['pakɪti:n]
noun Biology the third stage of the prophase of meiosis, following zygotene, during which the paired chromosomes shorten and thicken, the two chromatids of each separate, and exchange of segments between chromatids may occur.
Origin
early 20th cent.: from Gk pakhus 'thick' + tainia 'band'.

English new terms dictionary. 2014.

Игры ⚽ Нужно решить контрольную?

Look at other dictionaries:

  • 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 — 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 …   New Collegiate Dictionary

  • 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 analysis — pachytene analysis. См. пахитенный анализ. (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 DNA — pachytene DNA. См. пахитенная ДНК. (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 — 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

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”