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sarcodictyum

noun
sar·​co·​dic·​ty·​um | \ˌsärkōˈdiktēəm, -ikshēəm\
plural -s

Definition of sarcodictyum 

: a network of protoplasm on the surface of the calymma of a radiolarian

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History and Etymology for sarcodictyum

New Latin, from sarc- + Greek diktyon net

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