An oxygen-carrying pigment that is present in muscles. It consists of a combination of iron and protein. Myoglobin stores oxygen, releasing it when it is needed by the muscles. The presence of myoglobin in the urine is known as myoglobinuria. Slight myoglobinuria may occur during prolonged exercise. Severe myoglobinuria is usually caused by the release of myoglobin from a large area of damaged muscle, and may cause kidney failure.
Myoglobin |
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