skeletal muscle fiber differentiation
The process in which a relatively unspecialized cell acquires specialized features of a skeletal muscle fiber cell. Skeletal muscle fiber differentiation starts with myoblast fusion and the appearance of specific cell markers (this is the cell development step). Then individual skeletal muscle fibers fuse to form bigger myotubes and start to contract.
GO:0014902
myotube differentiation
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GO:0035914
skeletal muscle cell differentiation
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