vitellogenin

initialism: VTG
https://doi.org/10.1351/goldbook.11375

Protein that forms part of the yolk of egg-laying vertebrates.

Note: Its expression in male fish is used in ecotoxicology as an indicator of exposure to environmental estrogenic endocrine disruptors.
Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 820 [Terms] [Paper]