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This study was carried out at the histochemical, immunohistochemical and scanning electron microscopic levels to elucidate morphology, distribution of elastic fibers and extracellular matrices (type I and III collagens). Specimens were collected from 26 cadavers (18 males and 8 females; 50–90 years of age) which had no muscular disease in the human face. 1. Observation by macroscopy: A tight attachment...