hemocyanin definition

  • noun:
    • The coloring case of the bloodstream of various invertebrates. It has copper. It is blue when oxidized, and colorless in the deoxidized state.
    • a blue copper-containing breathing pigment (a metalloprotein) found in most molluscs, plus some arthropods
    • A bluish, copper-containing necessary protein with an oxygen-carrying purpose like hemoglobin, present in the blood of specific mollusks and arthropods.

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