Medical Term:

myoglobin

Pronunciation: mī′ō-glō′bin

Definition: The oxygen-carrying and storage protein of muscle, resembling hemoglobin but containing only one subunit and one heme as part of the molecule (rather than the four of hemoglobin), and with a molecular weight approximately one quarter that of hemoglobin.

Synonym(s): muscle hemoglobin, myohemoglobin

[myo- + hemoglobin]

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