- hemoglobin of muscle, weighing less and carrying more oxygen and less carbon monoxide than blood hemoglobin.
Also my·o·he·mo·glo·bin [mahy-uh-hee-muh-gloh-bin, ‐hem-uh‐] /ˌmaɪ əˈhi məˌgloʊ bɪn, ‐ˈhɛm ə‐/.
Origin of myoglobin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a protein that is the main oxygen-carrier of muscle
- The oxygen-transporting protein of muscle, resembling blood hemoglobin in function but with only one heme as part of the molecule and with one-fourth the molecular weight.muscle hemoglobin
- 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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