muscle fiber
1muscle fiber — n any of the elongated cells characteristic of muscle * * * any of the cells of skeletal or cardiac muscle tissue. Skeletal muscle fibers are cylindrical multinucleate cells containing contracting myofibrils, across which run transverse… …
2muscle fiber — noun an elongated contractile cell that forms the muscles of the body (Freq. 2) • Syn: ↑muscle cell, ↑muscle fibre • Hypernyms: ↑fiber, ↑fibre, ↑somatic cell, ↑vegetative cell …
3muscle fiber action potential — the action potential recorded on a muscle fiber spreading in both directions away from the plate region to initiate a contraction; see also single fiber electromyography …
4muscle fiber — noun A single cell of a muscle. Each muscle fibers contain many myofibrils, the contractile unit of muscles. Syn: myocyte …
5muscle fiber — one of the structural cells of a muscle. [1875 80] * * * …
6muscle fiber — mus′cle fi ber n. cbl one of the structural cells of a muscle • Etymology: 1875–80 …
7Intrafusal muscle fiber — Intrafusal fibers are muscle fibers that comprise the muscle spindle and are innervated by the gamma motor neurons (gamma motoneuron). These fibers are walled off from the rest of the muscle by a collagen sheath. This sheath has a spindle or… …
8Extrafusal muscle fiber — Extrafusal muscle fibers are a class of muscle fiber innervated by alpha motor neurons. They generate tension, do mechanical work and allow for movement by contracting.Compare with intrafusal muscle fiber is of sensory type and innervated by… …
9striated muscle fiber — noun an elongated contractile cell in striated muscle tissue • Syn: ↑striated muscle cell • Hypernyms: ↑muscle cell, ↑muscle fiber, ↑muscle fibre • Part Holonyms: ↑skeletal muscle, ↑ …
10Muscle spindle — Latin fusus neuromuscularis Code TH H3.11.06.0.00018 Muscle spindles are sensory receptors within the belly of a muscle, which primarily detect changes in the length of this muscle. They convey length information to the central nervous system via …
