Fusion of two gametes unequal in size or form; fertilization as distinguished from isogamy or conjugation. [aniso- + G. gamos, marriage]

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an·isog·a·my (an″i-sogґə-me) [aniso- + Gr. gamos marriage] in the most restrictive sense, fertilization of a large motile female gamete by a small motile male gamete; the term is often used more generally to mean the sexual union of two dissimilar gametes (heterogamy), particularly in lower organisms.

Medical dictionary. 2011.

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  • anisogamy — n. 1. (biology) reproduction by the union or fusion of two differing gametes (especially differing in size). [WordNet 1.5] …   The Collaborative International Dictionary of English

  • Anisogamy — (also called heterogamy) refers to a form of sexual reproduction involving gametes of different sizes. The smaller gamete is considered to be male (sperm cell) whereas the larger gamete is regarded as female (egg cell).There are several types of… …   Wikipedia

  • anisogamy — anisogamy. См. анизогамия. (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.

  • anisogamy — anizogamija statusas T sritis augalininkystė apibrėžtis Dviejų labai skirtingų (formos, dydžio ar kitu atžvilgiu) gametų susiliejimas. atitikmenys: angl. anisogamy rus. анизогамия ryšiai: sinonimas – heterogamija …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • anisogamy — noun see anisogamous …   New Collegiate Dictionary

  • anisogamy — reproductive products of unequal size (eggs and sperm) …   Dictionary of ichthyology

  • anisogamy — n. [Gr. anisos, unequal; gamos, marriage] Gametes when fusing during fertilization vary in size, shape and behavior; see heterogamy …   Dictionary of invertebrate zoology

  • anisogamy — Mode of sexual reproduction in which the two gametes are of different sizes …   Dictionary of molecular biology

  • anisogamy — /an uy sog euh mee/, n. Biol. the union of anisogametes. [1890 95; ANISO + GAMY] * * * …   Universalium

  • anisogamy — noun A form of sexual bonding involving partners of unusually widely differing ages …   Wiktionary

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