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Development of elastic-system fibers in human vocal cords.

The morphogenesis of elastic fibers in human, fetal and adult vocal cords was studied by light microscopy and transmission electron microscopy. The elastic system includes elastic, elaunin and oxytalan fibers at different stages. The development of elastic-system fibers in human vocal cord is characterized by every stage of maturation, whether normal, stifled or accelerated, according to areas.