embryosac

embryosac
embryo sac n.
The female gametophyte of a seed plant, within which the embryo develops.

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Universalium. 2010.

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  • embryosac — (an bri o sak) s. m. Terme de botanique. Représentant de ce qu est l ovule chez les animaux. On dit aussi sac embryonnaire. ÉTYMOLOGIE    Embryon, et sac …   Dictionnaire de la Langue Française d'Émile Littré

  • Chalazogamic — Chalazogamy Chal a*zog a*my, n. [Chalaza + gamy, as in polygamy.] (Bot.) A process of fecundation in which the pollen tube penetrates to the embryosac through the tissue of the chalaza, instead of entering through the micropyle. It was originally …   The Collaborative International Dictionary of English

  • Chalazogamy — Chal a*zog a*my, n. [Chalaza + gamy, as in polygamy.] (Bot.) A process of fecundation in which the pollen tube penetrates to the embryosac through the tissue of the chalaza, instead of entering through the micropyle. It was originally discovered… …   The Collaborative International Dictionary of English

  • Megagametogenesis — is the development of a megaspore into an embryo sac, which is the gametophyte though a highly reduced one stage in the life cycle of vascular plants. Contents 1 Eudicots 2 Monocots 3 See also 4 …   Wikipedia

  • Эмбриология растений — Раздел ботаники Эмбриология растений Объекты исследования …   Википедия

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