Definition that contains muscle fiber
- fiber any of several elongated, threadlike cells (especially a muscle fiber or a nerve fiber)
- relaxation (physiology) the gradual lengthening of inactive muscle or muscle fibers
- contraction (physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)
- fibre any of several elongated, threadlike cells (especially a muscle fiber or a nerve fiber)
- fibrillation muscular twitching involving individual muscle fibers acting without coordination
- sarcostyle one of many contractile filaments that make up a striated muscle fiber
- sarcolemma an extensible membrane enclosing the contractile substance of a muscle fiber
- purkinje fiber a specialized cardiac muscle fiber that is part of the Purkinje network
- sarcoplasm the cytoplasm of a striated muscle fiber
- muscular contraction (physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)