<biology> Elongated multinucleate cells (three or more nuclei) that contain some peripherally located myofibrils. ... They are formed in vivo or in vitro by the fusion of myoblasts and eventually develop into mature muscle fibres that have peripherally located nuclei and most of their cytoplasm filled with myofibrils. In fact, there is no ver...
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(mi´o-tldbomacb″) myotubule.
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Elongated multinucleate cells (three or more nuclei) that contain some peripherally located myofibrils. They are formed in vivo or i n vitro by the fusion of myoblasts and eventually develop into mature muscle fibres that have peripherally located nuclei and most of their cytoplasm filled with myofibrils. In fact, there is no very clear distinction between myotubes and muscle fibres proper.
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Type: Term Pronunciation: mī′ō-tūb Definitions: 1. A skeletal muscle fiber formed by the fusion of myoblasts during a developmental stage; a few myofibrils occur at the periphery, and the central core is occupied by nuclei and sarcoplasm so that the fiber has a tubular appearance.
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No exact match found.
