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myoglobin

[ mahy-uh-gloh-bin, mahy-uh-gloh- ]

noun

, Biochemistry.
  1. hemoglobin of muscle, weighing less and carrying more oxygen and less carbon monoxide than blood hemoglobin.

myoglobin

/ ˌmaɪəʊˈɡləʊbɪn /

noun

  1. a protein that is the main oxygen-carrier of muscle

myoglobin

/ mī′ə-glō′bĭn /

  1. An iron-containing protein found in muscle fibers, consisting of heme connected to a single peptide chain that resembles one of the subunits of hemoglobin. Myoglobin combines with oxygen released by red blood cells and transfers it to the mitochondria of muscle cells, where it is used to produce energy.

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Word History and Origins

Origin of myoglobin1

First recorded in 1920–25; myo- + globin

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myogenicmyogram

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