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Ear, Nose & Throat Disease

Hearing Aid

Introduction A hearing aid is an electronic, battery-operated device that amplifies and changes sound to allow better hearing and improved communication. Component of Hearing aid and how it works Hearing aid consist of four main parts : Microphone Amplifier Earphone/speaker Battery : power each electronic parts Hearing aids receive sound …

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Tonsillitis

INTRODUCTION Tonsil ; sub-epithelial lymphoid tissue in the oropharyngeal part of our throat. Two in number. Ovoid mass in lateral wall of oropharynx between anterior & posterior pillars. Actual size bigger than it appears as it extends upward to soft palate, downwards to base of tongue & anteriorly into palatoglossal …

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