Myoblast
From Wikipedia, the free encyclopedia
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 endomycium (the connective tissue of collagen surrounding the muscle fiber).
[edit] See also
[edit] External links
skeletal muscle/general: epimysium, fascicle, perimysium, endomysium, muscle fiber, myofibril
sarcomere (a, i, and h bands; z and m lines), myofilaments (thin filament/actin, thick filament/myosin, elastic filament/titin), tropomyosin, troponin (T, C, I)
neuromuscular junction, intrafusal muscle fiber, extrafusal muscle fiber, motor unit, muscle spindle, sliding filament mechanism
myoblast, satellite cells, sarcoplasm, sarcolemma, sarcoplasmic reticulum, T-tubule
