Definition of myosin in English:


Line breaks: my¦osin
Pronunciation: /ˈmʌɪə(ʊ)sɪn


[mass noun] Biochemistry
  • A fibrous protein which forms (together with actin) the contractile filaments of muscle cells and is also involved in motion in other types of cell.
    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.

More definitions of myosin

Definition of myosin in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day skosh
Pronunciation: skəʊʃ
a small amount; a little