Definitions for vitellogenesisvɪˌtɛl oʊˈdʒɛn ə sɪs, vaɪ-
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Random House Webster's College Dictionary
vi•tel•lo•gen•e•sisvɪˌtɛl oʊˈdʒɛn ə sɪs, vaɪ-(n.)
the process by which a yolk is formed and accumulated in the ovum.
Category: Developmental Biology
Origin of vitellogenesis:
1945–50; vitell (us ) + -o - + -genesis
U.S. National Library of Medicine
Vitellogenesis
The active production and accumulation of VITELLINS (egg yolk proteins) in the non-mammalian OOCYTES from circulating precursors, VITELLOGENINS. Vitellogenesis usually begins after the first MEIOSIS and is regulated by estrogenic hormones.
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