N-fertilization

См. также в других словарях:

• Fertilization — Fer ti*li*za tion, n. 1. The act or process of rendering fertile. [1913 Webster] 2. (Biol.) The act of fecundating or impregnating animal or vegetable germs; esp., the process by which in flowers the pollen renders the ovule fertile, or an… …   The Collaborative International Dictionary of English

• fertilization membrane — n a resistant membranous layer in eggs of many animals that forms following fertilization by the thickening and separation of the vitelline membrane from the cell surface and that prevents multiple fertilization * * * a strong membrane formed… …   Medical dictionary

• Fertilization — is the process of combining the male gamete, or "sperm," with the female gamete, or "ovum." The product of this combination is a cell called a zygote. * * * The process beginning with penetration of the secondary oocyte by the …   Medical dictionary

• fertilization — fertilization. См. сингамия. (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.

• fertilization — 1857, noun of action from FERTILIZE (Cf. fertilize) …   Etymology dictionary

• fertilization — (Amer.) fer·ti·li·za·tion || ‚fÉœrtlaɪ zeɪʃn /‚fɜːtɪl n. impregnation, insemination; act of enriching the soil by the addition of organic or chemical substances (also fertilisation) …   English contemporary dictionary

• 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, in vitro — IVF, a laboratory procedure in which sperm are placed with an unfertilized egg in a Petri dish to achieve fertilization. The embryo is then transferred into the uterus to begin a pregnancy or cryopreserved (frozen) for future use. IVF was… …   Medical dictionary

• 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

• fertilization membrane — noun the membrane that forms around a fertilized ovum and prevents penetration by additional spermatozoon • Hypernyms: ↑membrane, ↑tissue layer * * * noun : a resistant membranous layer that separates from the surface of many eggs immediately… …   Useful english dictionary

• fertilization membrane — noun Date: 1931 a resistant membranous layer in eggs of many animals that forms following fertilization by the thickening and separation of the vitelline membrane from the cell surface and that prevents multiple fertilization …   New Collegiate Dictionary