myofibril

my·o·fi·bril  (m-fbrl, -fbrl)

n.

Any of the threadlike fibrils that make up the contractile part of a striated muscle fiber. Also called sarcostyle.

Thesaurus

Noun

1.

myofibril - one of many contractile filaments that make up a striated muscle fiber myofibrilla, sarcostyle sarcoplasm - the cytoplasm of a striated muscle fiber striated muscle cell, striated muscle fiber - an elongated contractile cell in striated muscle tissue sarcomere - one of the segments into which a myofibril is divided fibril, filament, strand - a very slender natural or synthetic fiber