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
Recent Examples of vitellogenin from the Web
Researchers found high levels of vitellogenin—a protein involved in producing egg yolk—in many smallmouth bass.
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Origin and Etymology of vitellogenin
probably from vitellogenesis + 1-in
First Known Use: 1971See Words from the same year
Learn More about vitellogenin
Britannica.com: Encyclopedia article about vitellogenin
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