Definition of actomyosin in English:
actomyosin
noun ˌaktə(ʊ)ˈmʌɪəsɪnˌaktəˈmīəsən
mass nounBiochemistry A complex of actin and myosin of which the contractile protein filaments of muscle tissue are composed.
Example sentencesExamples
- When muscles contract, electrical impulses cause the two proteins to slide past each other and bond, forming a complex molecule known as actomyosin, shortening and holding the position.
- It has been recognized that various NTPs have different affinities for actomyosin, and myosins complexed with these NTPs or their products have different affinities for actin.
- We have a worm whose body wall is a collagenous membrane and whose engine is the muscle protein actomyosin.
- The lower actomyosin content of immature fibers compared to mature adult skeletal muscle fibers may account for this observation.
- We presented evidence implicating actin polymerization and not actomyosin activity as the dominant mechanism actuating the stiffening response.
Origin
1940s: from actin + myosin.