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
- syncytium a mass of cytoplasm containing several nuclei and enclosed in a membrane but no internal cell boundaries (as in muscle fibers)
- myofibrilla one of many contractile filaments that make up a striated muscle fiber
- sarcosome a large mitochondrion in a striated muscle fiber
- contractility the capability or quality of shrinking or contracting, especially by muscle fibers and even some other forms of living matter
- muscle contraction (physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)