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J Korean Soc Laryngol Phoniatr Logop > Volume 25(1); 2014 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 2014;25(1): 20-23.
노인성 후두의 조직병리학적, 생리학적 특성
한림대학교 의과대학 이비인후과학교실
Histopathologic and Physiologic Features of the Aging Larynx
Il-Seok Park
Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine Hallym University
Age-related changes in larynx can have a direct impact on voice quality and general comfort level. Observations of vocal aging have spanned perceptual, acoustic, aerodynamic, physical, electromyographic (EMG) and histological levels. Evidence of differential vocal aging in relation to gender and physical condition has been reported. Perceptual, acoustic, aerodynamic, kinematic, EMG and histological data document age-related changes in laryngeal structure and function with advancing age. These changes contribute to a functional age-related impact of vocal hypofunction or compensatory hyperfunction. This review will focus on the current understanding of the clinical and cellular changes in the larynx that lead to presbyphonia.
KEY WORDS: Aging larynx;Histopathology;Physiology;
중심 단어: 노인성 후두;조직병리학;생리학;
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