单词	vitellogenin
释义	vitellogenin /vɪˌtɛlə(ʊ)ˈdʒɛnɪn / /ˌvɪt(ə)ləʊˈdʒɛnɪn/ noun Biochemistry A protein present in the blood, from which the substance of egg yolk is derived.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. Origin 1960s: from vitellus + -gen + -in1.
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