Zygote


Zygote
The cell formed by the union of a male sex cell (a sperm) and a female sex cell (an ovum). The zygote develops into the embryo following the instruction encoded in its genetic material, the DNA. The unification of a sperm and an ovum to form a zygote constitutes fertilization.
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1. The diploid cell resulting from union of a sperm and an ovum. Cf.:conceptus. 2. The individual that develops from a fertilized ovum. [G. zygotos, yoked]

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zy·gote 'zī-.gōt n a cell formed by the union of two gametes broadly the developing individual produced from such a cell

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n.
the fertilized ovum before cleavage begins. It contains both male and female pronuclei.

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zy·gote (ziґgōt) [Gr. zygōtos yoked together] the diploid cell resulting from union of a male and a female gamete (spermatozoon and oocyte). More precisely, the cell after synapsis at the completion of fertilization until first cleavage. Also, used loosely to refer to the fertilized oocyte and early derivatives for an indefinite period. Cf. conceptus. zygotic adj

Medical dictionary. 2011.

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  • zygote — [ zigɔt ] n. m. • 1913; bot. 1890; du gr. zugôtos « attelé » ♦ Biol. Œuf fécondé, avant la première segmentation. Cellule diploïde des végétaux, résultant de la fusion de deux gamètes. ● zygote nom masculin (grec dzugôtos, attelé) Nom… …   Encyclopédie Universelle

  • Zygote — der Alge Spirogyra sp. (in der Mitte des Bildes) Eine Zygote ist eine Zelle (diploid), die durch Verschmelzung zweier haploider Geschlechtszellen (Gameten) entsteht – meistens aus einer Eizelle (weiblich) und einem Spermium (männlich). Diese… …   Deutsch Wikipedia

  • Zygote — (græsk). Når et æg og en sædcelle sammensmeltes til en diploid celle kaldes det for en zygote. En befrugtet ægcelle kunne man også kalde det. En zygote vil efterfølgende gennemgå celledelinger og blive til et foster …   Danske encyklopædi

  • zygote — zygote. См. зигота. (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.

  • Zygote — Zygote, bei der geschlechtlichen Fortpflanzung durch Verschmelzen zweier geschlechtsverschiedener Gameten entstandene Zelle. Aus der Z. entwickelt sich ein neues Individuum …   Deutsch wörterbuch der biologie

  • zygote — (n.) 1880, coined 1878 by German cytologist Eduard Strasburger (1844 1912), the widespread attribution to Mendel being apparently erroneous; from Gk. zygotos yoked, from zygon yoke (see JUGULAR (Cf. jugular)) …   Etymology dictionary

  • zygote — ► NOUN Biology ▪ a cell resulting from the fusion of two gametes. DERIVATIVES zygotic adjective. ORIGIN from Greek zug tos yoked …   English terms dictionary

  • zygote — [zī′gōt΄, zig′ōt΄] n. [< Gr zygōtos, yoked < zygon,YOKE] a diploid cell formed by the union of two haploid gametes, esp. by the union of an egg cell and a sperm cell zygotic [zī gät′ik, zigät′ik] adj. zygotically adv …   English World dictionary

  • Zygote — Infobox Embryology Name = PAGENAME Latin = GraySubject = GrayPage = Caption = Caption2 = System = CarnegieStage = Days = 1 Precursor = GivesRiseTo = MeshName = MeshNumber = DorlandsPre = z 01 DorlandsSuf = 12871436 : For other meanings see Zygote …   Wikipedia

  • Zygote — Œuf (biologie) Pour les articles homonymes, voir Œuf et Zygote (homonymie). Œufs, Adolphe Millot, Nouveau Larousse Illustré, 1897 1904 …   Wikipédia en Français

  • Zygote — befruchtete Eizelle * * * Zy|go|te 〈f. 19〉 bei der Verschmelzung von Geschlechtszellen entstehender organ. Verband [<grch. zygotos „verbunden“ <zygoun „verbinden“; zu zygon „Joch“] * * * Zy|go|te, die; , n [zu griech. zygōtós = durch ein… …   Universal-Lexikon