muscle fiber


Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Acronyms, Wikipedia.

muscle fiber

[′məs·əl ‚fī·bər]
(histology)
The contractile cell or unit of which muscle is composed.
References in periodicals archive ?
Indicators of meat quality include color, tenderness, and moisture content, which are all closely related to muscle fiber type and intramuscular fat content.
Researchers also noticed that the rats' muscle mass was protected and the loss of muscle fibers were not as severe.
The muscle fiber diameter (MFD), muscle fiber cross sectional area (MFCSA), muscle fascicle diameter (MFSD) and muscle fascicle cross sectional area (MFSCSA) decreased (p < 0.05) in HS group when compared to TNZ group, whereas they increased (p < 0.05) in T3, T4 and T5 compared to HS group.
Inflammatory infiltrates were diffuse and focal, usually interspersed between the individual muscle fibers. The infiltrates consisted largely of small mononuclear cells.
Moreover, any given muscle fiber may be recruited for a number of movement goals.
The molecular mechanisms of adaptation lead to muscle fibers to change their oxidative or glycolytic predominance in the muscle [4,9,10].
Thus, local injection of L-NAME can help to prevent the development of muscle atrophy by hindering the biochemical and morphological changes that are typically observed in various models of tendon rupture, including decrease of muscle mass and protein levels, as well as the occurrence of CCL and reduction of muscle fiber area (10,25,27,34,36,38-40).
We previously reported that muscle fibers exposed to elevated glucose display increased AP-evoked [Ca.sup.2+] signals produced by single brief electric stimulation [25].
To measure muscle contraction, they fabricated two tiny, flexible pillars within the muscle cells' compartment, around which the growing muscle fiber could wrap.
Neurons influence muscle fiber type-specific protein expression because changes in nerve activity can induce muscle fiber to release neurotrophic factors such as neuregulin even two species passing through the joint action.
Sample Structural description Farmed, uncooked Dense muscle fiber weave with very small collagen inclusions, mostly straight fibers, larger bundles than wild Wild, uncooked Quite a few large collagen-rich areas in the tissue; a mix of straight and wavy fiber bundles, mostly straight Farmed, steamed Regular collagen-rich areas, separated bundles and fibers, mostly straight fibers; the large bundles seen in uncooked have split into smaller groups Wild, steamed Some very large collagen-rich areas present, separated bundles and fibers, wavy and straight fibers.