Definition of hemocyanin in English:

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hemocyanin

Pronunciation: /ˌhēməˈsīənən/
(British haemocyanin)

noun

Biochemistry
A protein containing copper, responsible for transporting oxygen in the blood plasma of arthropods and mollusks.
Example sentences
  • It is intriguing that crustaceans seem to express either hemoglobin or hemocyanin but not both proteins.
  • One grasshopper embryo has a protein that closely resembles hemocyanin in sequence, but no oxygen binding studies to confirm its function have yet been done.
  • The ontogeny of crustacean hemocyanin, the copper-based oxygen transport protein, has been studied in relatively few species, including Nephrops norvegicus and Homarus americanus.

Origin

Mid 19th century: from hemo- 'of blood' + cyan + -in1.

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