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Noun: myofibrilla (myofibrillae)
Usage: rare (=myofibril)
  1. One of many contractile filaments that make up a striated muscle fibre
    "Myofibrillae are essential for muscle contraction";
    - myofibril, sarcostyle

Derived forms: myofibrillae

Type of: fibril, filament, strand

Part of: striated muscle cell, striated muscle fiber [US], striated muscle fibre [Brit, Cdn]