Noun: myofibril ,mI-ow'fI-brul
- One of many contractile filaments that make up a striated muscle fibre
"Myofibrils are responsible for the striated appearance of skeletal and cardiac muscle";
- myofibrilla [rare], sarcostyle
Derived forms: myofibrils
Type of: fibril, filament, strand
Part of: striated muscle cell, striated muscle fiber [US], striated muscle fibre [Brit, Cdn]
Encyclopedia: Myofibril