erythrocruorin

noun
eryth·​ro·​cru·​o·​rin | \ ru̇ə-\

Definition of erythrocruorin

: any of various red respiratory pigments that occur in blood, cells, or body fluids of several invertebrate animals and that are or are related to hemoglobins

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History and Etymology for erythrocruorin

erythr- + cruorin (old name for hemoglobin)

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