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myofibrils

 

Definitions from WordNet

Noun myofibril has 1 sense
  1. myofibril, myofibrilla, sarcostyle - one of many contractile filaments that make up a striated muscle fiber
    --1 is a kind of fibril, filament, strand
    --1 is a part of striated muscle cell, striated muscle fiber
    --1 has parts: sarcoplasm; sarcomere

Definitions from the Web

Myofibrils

Description:

A myofibril is a thread-like structure found in muscle fibers that contains the contractile units responsible for muscle contraction. They are composed of various proteins and play a vital role in muscle function and movement.

Sample Sentences:

  • The myofibrils in skeletal muscles are responsible for the voluntary movements of the body.
  • With each contraction, the myofibrils shorten, leading to muscle contraction.
  • Protein synthesis is essential for the growth and development of myofibrils.

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