Organism Function
fertilization Audio
fer·til·i·za·tion [ fur-tl-uh-zey-shuhn ]
Subclass of:
Reproduction
Definitions related to fertilization:
  • Fusion of a spermatozoan with an ovum resulting in the formation of a zygote.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The fusion of a spermatozoon (SPERMATOZOA) with an OVUM thus resulting in the formation of a ZYGOTE.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • The process beginning with penetration of the secondary oocyte by the spermatozoon and completed by fusion of the male and female pronuclei.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • The union of gametes of opposite sexes during the process of sexual reproduction to form a zygote. It involves the fusion of the gametic nuclei (karyogamy) and cytoplasm (plasmogamy).
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • Fertilization, union of a sperm nucleus, of paternal origin, with an egg nucleus, of maternal origin, to form the primary nucleus of an embryo. In all organisms the essence of fertilization is, in fact, the fusion of the hereditary material of two different sex cells, or gametes, each of which...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2020
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