Allogamy


Allogamy

Allogamy is a term used in the field of biological reproduction describing the fertilization of an ovum from one individual with the spermatozoa of another. By contrast, autogamy is the term used for self-fertilization. In humans, the fertilisation event is an instance of allogamy. Self-fertilization (also known as autogamy) occurs in hermaphroditic organisms where the two gametes fused in fertilization come from the same individual. This is common in plants and certain protozoans. In plants, allogamy is used specifically to mean the use of pollen from one plant to fertilize the flower god of another plant and usually syonymous with the term "cross-fertilization" or "cross-pollination", though the latter term can be used more specifically to mean pollen exchange between different plant strains or even different plant species (where the term "cross-hybridization" can be used) rather than simply between different individuals. Parasites having complex life cycles can pass through alternate stages of allogamous and autogamous reproduction, and the description of a hitherto unknown allogamous stage can be a significant finding with implications for human disease.PMID 7100903


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  • Allogamy — Al*log a*my . [Gr. ? other + ? marriage.] (Bot.) Fertilization of the pistil of a plant by pollen from another of the same species; cross fertilization. [1913 Webster] …   The Collaborative International Dictionary of English

  • allogamy — allogamy. = open pollination (см.). (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.

  • allogamy — allogamy. См. перекрестное опыление. (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.

  • allogamy — [ə läg′ə mē] n. [ ALLO + GAMY] the process of cross fertilizing; cross fertilization allogamous [ə läg′əməs] adj …   English World dictionary

  • allogamy — alogamija statusas T sritis ekologija ir aplinkotyra apibrėžtis Augalo žiedo ap(si)dulkinimas kito žiedo žiedadulkėmis. Žiedas gali būti apdulkinamas arba to paties augalo kitų žiedų žiedadulkėmis, arba tos pačios rūšies kito augalo žiedadulkėmis …   Ekologijos terminų aiškinamasis žodynas

  • allogamy — alogamija statusas T sritis augalininkystė apibrėžtis Apsidulkinimas kito žiedo žiedadulkėmis (apima geitonogamiją ir ksenogamiją). atitikmenys: angl. allogamy rus. аллогамия; гетероклинное опыление; перекрёстное опыление …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • allogamy — noun see allogamous …   New Collegiate Dictionary

  • allogamy — n. [Gr. allos, other; gamos, marriage] Cross fertilization; see autogamy …   Dictionary of invertebrate zoology

  • allogamy — allogamous, adj. /euh log euh mee/, n. cross fertilization in plants (opposed to autogamy). [1875 80; ALLO + GAMY] * * * …   Universalium

  • allogamy — noun The fertilization of an ovum from one individual with the spermatozoa of another; cross fertilization …   Wiktionary