Definition of myoglobin in English:


Pronunciation /ˌmīəˈɡlōbən/ /ˌmaɪəˈɡloʊbən/


  • A red protein containing heme, which carries and stores oxygen in muscle cells. It is structurally similar to a subunit of hemoglobin.

    ‘The heme of another protein, myoglobin, carries oxygen within muscle cells.’
    • ‘The key, she believes, may be the iron content of the blood and muscle proteins hemoglobin and myoglobin.’
    • ‘The blood protein hemoglobin and its relative, myoglobin, carry and store life-giving oxygen in many animals.’
    • ‘Harbor seals have muscles rich in myoglobin, an oxygen carrying molecule.’
    • ‘The tertiary structure of myoglobin is that of a typical water soluble globular protein.’