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vitellogenesis |
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vitellogenesis [vī‚tel·ə′jen·ə·səs] (physiology) The process by which yolk is formed in the ooplasm of an oocyte. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Vitellogenesis as a biomarker for estrogenic contamination of the aquatic environment. Unbleached KME suppressed vitellogenesis in female longear sunfish, but the effect occurred only in 2002 when effluent constituted [greater than or equal to] 1% of river flow for 3 months (May through July) and averaged 0. Stage 1 (differentiation of testis and ovary,) and stage 2 (proliferation of spermatogonia and endogenous growth of the oocyte) fish were immature, whereas stage 3-6 males (onset of meiosis through spermiation) and stage 3-7 females (early vitellogenesis through ovulation) were classified as maturing. |
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