Muscle Fiber Definition
    noun
  
 A cylindrical, multinucleate cell composed of numerous myofibrils that contracts when stimulated.
 American Heritage 
Synonyms: 
  - muscle-fibre
 - muscle cell
 
Other Word Forms of Muscle Fiber
Noun
Singular:
 muscle fiberPlural:
 muscle-fibersMuscle Fiber Is Also Mentioned In
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