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Myoblast



A myoblast is a type of stem cell that exists in muscles. Skeletal muscle cells are called muscle fibers and are made when myoblasts fuse together; muscle fibers therefore have multiple nuclei.

Myoblasts that do not form muscle fibers differentiate into satellite cells. These satellite cells remain adjacent to a muscle fiber, separated only by its cell membrane and by the endomysium (the connective tissue investment that divides the muscle fascicles into individual fibers).

See also

  • myocyte
v • d • e
Histology: muscle tissue
skeletal muscle/generalepimysium, fascicle, perimysium, endomysium, muscle fiber (intrafusal, extrafusal), myofibril

sarcomere (a, i, and h bands; z and m lines), myofilaments (thin filament/actin, thick filament/myosin, elastic filament/titin, nebulin), tropomyosin, troponin (T, C, I)

costamere (dystrophin, α,β-dystrobrevin, syncoilin, synemin/desmuslin, dysbindin, sarcoglycan, dystroglycan, sarcospan), desmin

neuromuscular junction, motor unit, muscle spindle, excitation-contraction coupling, sliding filament mechanism

myoblast, satellite cell, sarcoplasm, sarcolemma, sarcoplasmic reticulum, T-tubule
cardiac musclemyocardium, intercalated disc, nebulette
smooth musclecalmodulin, vascular smooth muscle
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Myoblast". A list of authors is available in Wikipedia.
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