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vitellogenesis

[vi-tel-oh-jen-uh-sis, vahy-] /vɪˌtɛl oʊˈdʒɛn ə sɪs, vaɪ-/
noun, Embryology
1.
the process by which the yolk is formed and accumulated in the ovum.
Origin
1945-1950
1945-50; vitell(us) + -o- + -genesis
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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