fertilization nucleus

fertilization nucleus
the nucleus produced by fusion of the male and female pronuclei in the fertilized oocyte; called also conjugation n., zygote n., and synkaryon.

Medical dictionary. 2011.

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  • fertilization — fertilizational, adj. /ferr tl euh zay sheuhn/, n. 1. an act, process, or instance of fertilizing. 2. the state of being fertilized. 3. Biol. a. the union of male and female gametic nuclei. b. fecundation or impregnation of animals or plants. 4.… …   Universalium

  • fertilization — The union of two gametes from opposite sexes to form a zygote. Typically, each gamete contains a haploid set of chromosomes. Hence the zygotic nucleus contains a diploid set of chromosomes. Several categories can be distinguished: 1. Self… …   Glossary of Biotechnology

  • Nucleus — 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells. * * * 1. In cytology, typically a rounded or oval mass of protoplasm within the cytoplasm of a plant or animal cell; it is surrounded by a… …   Medical dictionary

  • nucleus of oocyte — the structure within the oocyte that becomes the female pronucleus after fertilization has occurred …   Medical dictionary

  • fertilization tube — noun : a branch that projects from the antheridium and pierces the oogonium to provide for passage of the male nucleus in certain phycomycetous fungi …   Useful english dictionary

  • segmentation nucleus — the fertilization nucleus after cleavage has begun. Called also cleavage n …   Medical dictionary

  • segmentation nucleus — Nucleus formed by union of male and female pronuclei during fertilization …   Dictionary of invertebrate zoology

  • conjugation nucleus — fertilization n …   Medical dictionary

  • zygote nucleus — fertilization n …   Medical dictionary

  • double fertilization — noun : fertilization that is characteristic of most seed plants and that involves a fusion between the egg nucleus and a sperm nucleus, which results in the production of the embryo, and a fusion between the second sperm nucleus and the two… …   Useful english dictionary

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