Medical Dictionary

myostatin

noun myo·stat·in \ ˌmī-ə-ˈsta-tᵊn \

medical Definition of myostatin

: a protein found mainly in skeletal muscle that is a transforming growth factor acting to restrain the growth of muscles
  • Two treatments that block a protein called myostatin, which slows muscle growth, are now in the pipeline.
  • —Rowan HooperNew Scientist10 Dec. 2005

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