Definition of vitellogenin in English:

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Pronunciation: /vɪˌtɛlə(ʊ)ˈdʒɛnɪn/
Pronunciation: /ˌvɪt(ə)ləʊˈdʒɛnɪn/


A protein present in the blood, from which the substance of egg yolk is derived.
Example sentences
  • They assayed the fish plasma for the estrogenic biomarker, vitellogenin, the major egg-yolk protein under synthesis control of endogenous estradiol.
  • Nondestructive analyses of plasma sampled from birds when captured may, however, be used to identify fecund females, using an egg yolk protein called vitellogenin.
  • For example, induction of the female-specific protein, vitellogenin, in male fish is a well-known effect of exposure to xeno-oestrogens and serves as a biomarker of such exposure.


1960s: from vitellus + -gen + -in1.

For editors and proofreaders

Line breaks: vi¦tello|genin

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