synaptonemal complex

synaptonemal complex
syn·ap·to·ne·mal complex sə-.nap-tə-.nē-məl- or syn·ap·ti·ne·mal complex same n a complex triparite protein structure that spans the region between synapsed chromosomes in meiotic prophase

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a ladderlike structure consisting of two lateral elements connected to a central element by tranverse filaments that joins together homologous chromosomes in synapsis; it is formed during the zygotene and disintegrates during the early diplotene.

Medical dictionary. 2011.

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  • synaptonemal complex — synaptonemal complex. См. синаптонемный комплекс. (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.

  • Synaptonemal complex — The synaptonemal complex is a protein structure that forms between two homologous chromosomes during meiosis and that is thought to mediate chromosome pairing, synapsis, and recombination (crossing over). The synaptonemal complex is a tripartite… …   Wikipedia

  • synaptonemal complex — noun Etymology: synaptic + o or i + Greek nēma thread more at nemat Date: 1958 a complex tripartite protein structure that spans the region between synapsed chromosomes in meiotic prophase called also complex …   New Collegiate Dictionary

  • synaptonemal complex — Structure, identified by electron microscopy, lying between chromosomes during synapsis; consists of two lateral plates closely apposed to the chromosomes and connected to a central plate by filaments. It appears to act as a scaffold, and is… …   Dictionary of molecular biology

  • synaptonemal complex — Abbreviation: SC A ribbon like proteinaceous structure formed between paired homologous chromosomes at the end of the first meiotic prophase. The SC binds the chromatids along their length, and facilitates crossing over …   Glossary of Biotechnology

  • synaptonemal complex — …   Useful english dictionary

  • complex — 1. An organized constellation of feelings, thoughts, perceptions, and memories that may be in part unconscious and may strongly influence associations and attitudes. 2. In chemistry, the relatively stable combination of two or more compounds into …   Medical dictionary

  • Complexe synaptonémal — Le complexe synaptonémal est un complexe protéique permettant l’association des chromosomes homologues entre eux lors du stade zygotène de la prophase de la première division de méiose, cet appariement est un synapsis. L appariement des… …   Wikipédia en Français

  • synaptonemal — adjective Describing a protein complex that forms during meiosis …   Wiktionary

  • synaptonemal — syn·ap·to·nem·al (sə nap″to neґməl) [synapsis + Gr. nēma thread] see under complex …   Medical dictionary

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