ALL meanings of actin

A a
  • noun actin a protein that participates in many kinds of cell movement, including muscle contraction, during which it interacts with filaments of a second protein, myosin 3
  • noun actin a protein in muscles 3
  • noun actin A protein that forms (together with myosin) the contractile filaments of muscle cells, and is also involved in motion in other types of cells. 1
  • noun actin a globulin that is present in muscle plasma and that in connection with myosin plays an important role in muscle contraction. 1
  • noun actin (Uncountable Noun) (biochemistry) A globular structural protein that polymerizes in a helical fashion to form an actin filament (or microfilament). 0
  • noun actin (Countable Noun) (biochemistry) One of the six isoforms of actin. 0
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