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Definition of vitellogenin:
Protein produced in the liver of certain female amphibians (and fish[1]), which is converted into yolk protein vitellin.[2] Vitellin acts as a nutrient source for the developing embryo [3].
This is the common definition for vitellogenin, other definitions can be discussed in the article


Vitellogenin induction in male fish has been widely used to detect exposure to xeno-estrogenic compounds (foreign compounds that act as estrogens).[1] These are endocrine disrupting compounds which feminise males, reducing their fertility.

See also


  1. 1.0 1.1 Versonnen, B.J.; Goemans, G.; Belpaire, C.; Janssen, C.R. (2004). Vitellogenin content in European eel (Anguilla anguilla) in Flanders, Belgium. Environ. Pollut. 128(3): 363-371
  2. Lawrence E (ed.), 2000. Henderson’s Dictionary of Biological Terms. 12th edition. Prentice Hall, Pearson Education Limited. Harlow, Great Britain.
  3. Ghekiere, A.; Verslycke, T.; Janssen, C.R. (2006). Effects of methoprene, nonylphenol, and estrone on the vitellogenesis of the mysid Neomysis integer. Gen. Comp. Endocrinol. 147(2): 190-195