noun \vī-ˌte-lō-ˈje-nən\

Definition of VITELLOGENIN

:  a precursor protein of egg yolk normally in the blood or hemolymph only of females that is used as a biomarker in vertebrates of exposure to environmental estrogens which stimulate elevated levels in males as well as females


probably from vitellogenesis + 1-in
First Known Use: 1971


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