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vitellophag

noun
vi·​tel·​lo·​phag | \vīˈteləˌfag, və̇ˈt-\
variants: or less commonly vitellophage \-​fāj \
plural -s

Definition of vitellophag 

: any of the cleavage cells or nuclei in a centrolecithal egg that do not participate in embryo formation but remain in and function in the assimilation of the yolk

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History and Etymology for vitellophag

vitell- + -phage

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