Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A form of anisogamy (heterogamy) in which the female gamete (e.g. egg cell) is significantly larger than the male gamete (sperm) and is non-motile.

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  • ~ Also spelled oögamy
    ~ Reproduction in which a small motile male sex cell fuses with a large immobile female sex cell, as happens (for example) when a sperm fuses with an egg
    ~ o·og·a·mous adjective

    January 18, 2009