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Definition of "myoglobin" [myoglobin]

  • A single-chain, iron-containing protein found in muscle fibers, structurally similar to a single subunit of hemoglobin and having a higher affinity for oxygen than hemoglobin of the blood. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "myoglobin" in a sentence
  • "They produce something called myoglobin that hurts your kidneys."
  • "The browner color of "dark" meat comes from a deeply tinted, oxygen-storing protein called myoglobin in the bird's muscles."
  • "Nonetheless, after decades of determined effort, in 1959 a small band of scientists correctly deduced the precise structure of one of the simplest molecular machines of the cell—a molecule called myoglobin."