vitellogenesis

[ vi-tel-oh-jen-uh-sis, vahy- ]
/ vɪˌtɛl oʊˈdʒɛn ə sɪs, vaɪ- /

noun Embryology.

the process by which the yolk is formed and accumulated in the ovum.

Origin of vitellogenesis

First recorded in 1945–50; vitell(us) + -o- + -genesis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019