Definition of myosin in English:

myosin

Syllabification: my·o·sin
Pronunciation: /ˈmīəsən
 
/

noun

Biochemistry
  • A fibrous protein that forms (together with actin) the contractile filaments of muscle cells and is also involved in motion in other types of cells.
    More example sentences
    • Muscle is composed of mainly three types of protein filaments: myosin, actin, and titin.
    • In a contracting muscle myosin and actin filaments slide past each other as the muscle fiber shortens.
    • Muscle contraction is dependent on two proteins, actin and myosin.

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