heterospory
noun Date: 1898 the production of microspores and megaspores (as in seed plants) • heterosporous adjective

New Collegiate Dictionary. 2001.

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  • Heterospory — is the production of spores of two different sizes and sexes by the sporophytes of land plants. Heterospory was evolved from isospory independently by several plant groups in the Devonian period cite journal|title=Heterospory the most iterative… …   Wikipedia

  • heterospory — heterospory. См. гетероспория. (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.

  • heterospory — Condition in vascular plants where the spores are of two different sizes, the smaller producing male prothalli, the larger female prothalli …   Dictionary of molecular biology

  • heterospory — /het euh ros peuh ree/, n. Bot. the production of both microspores and megaspores. [1895 1900; HETERO + SPORE + Y3] * * * …   Universalium

  • heterospory — het·er·o·spo·ry …   English syllables

  • heterospory — /hɛtəˈrɒspəri/ (say hetuh rospuhree) noun the production in plants of both microspores and megaspores. {hetero + spor(e) + y3} …   Australian English dictionary

  • heterospory — noun the development of both microspores and megaspores • Derivationally related forms: ↑heterosporous • Hypernyms: ↑monogenesis, ↑sporulation * * * ˈ ̷ ̷ ̷ ̷rōˌspōrē, ˌ ̷ ̷ ̷ ̷ˈräspərē noun ( es) …   Useful english dictionary

  • гетероспория — heterospory гетероспория. Hаличие гетерогамет (макро и микроспор) у растений. (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.

  • heterosporous — adjective characterized by heterospory • Pertains to noun: ↑heterospory • Derivationally related forms: ↑heterospory …   Useful english dictionary

  • Alternation of generations — (also known as alternation of phases or metagenesis) is a term primarily used in describing the life cycle of plants (taken here to mean the Archaeplastida). A multicellular sporophyte, which is diploid with 2N paired chromosomes (i.e. N pairs),… …   Wikipedia

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