ALL meanings of actin
ac·tin
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