Look up: Oogamy

1. oogamy
   A type of heterogamy in which plasmogamy takes place between a large nonmotile egg and a small motile male gamete or cytoplasm from an antheridium.
   Found on http://ppathw3.cals.cornell.edu/glossary
   
   
2. oogamy
   A condition where the gametes of a species are fully differentiated sexually into a tiny and highly mobile male gamete (called a sperm) and a large, nonmoving female gamete (called an egg). ... (09 Oct 1997) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
3. oogamy
   (o-og´ә-me) fertilization of a large nonmotile egg by a small, motile male gamete or sperm, as seen in certain algae. more generally, heterogamy (def. 1).
   Found on http://www.encyclo.co.uk/local/21001
   
   
4. oogamy
   (from the article `gamete`) ...type (heterogamy), as with many green algae of the genus Chlamydomonas. Gametes of animals, some algae and fungi, and all higher plants exhibit an ... ...of size (i.e., heterogamous). The larger gamete, or egg, is nonmotile; the smaller gamete, or sperm, is motile. The last type of gametic ... [2 relate...
   Found on http://www.britannica.com/eb/a-z/o/21
   
   
5. Oogamy
   `Oogamy` is the familiar form of sexual reproduction. It is a form of anisogamy (heterogamy) in which the female gamete (e.g. egg cell) is significantly larger than the male gamete and is non-motile. The male gametes are typically highly motile spermatozoa competing for the fertilization of the immo...
   Found on http://en.wikipedia.org/wiki/Oogamy