Definition of myoglobin
: a red iron-containing protein pigment in muscles that is similar to hemoglobin
Recent Examples of myoglobin from the Web
The color magic happens when nitrites convert to nitric oxide (NO), which binds to the iron in muscle myoglobin to form a stable pigment when heated.
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Origin and Etymology of myoglobin
International Scientific Vocabulary
First Known Use: 1925See Words from the same year
Medical Definition of myoglobin
: a red iron-containing protein pigment in muscles that is similar to hemoglobin but differs in the globin portion of its molecule, in the smaller size of its molecule (as in the mammalian heart muscle which has only one fourth the molecular weight of the hemoglobin in the blood of the same animal), in its greater tendency to combine with oxygen, and in its absorption of light at longer wavelengths—called also myohemoglobin
Learn More about myoglobin
Britannica.com: Encyclopedia article about myoglobin
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